Toan Ong, PhD
Associate Professor, Biomedical Informatics

Publications

• Britton A, Embi PJ, Levy ME, Gaglani M, DeSilva MB, Dixon BE, Dascomb K, Patel P, Schrader KE, Klein NP, Ong TC, Natarajan K, Hartmann E, Kharbanda AB, Irving SA, Dickerson M, Dunne MM, Raiyani C, Grannis SJ, Stenehjem E, Zerbo O, Rao S, Han J, Sloan-Aagard C, Griggs EP, Weber ZA, Murthy K, Fadel WF, Grisel N, McEvoy C, Lewis N, Barron MA, Nanez J, Reese SE, Mamawala M, Valvi NR, Arndorfer J, Goddard K, Yang DH, Fireman B, Ball SW, Link-Gelles R, Naleway AL, Tenforde MW. Effectiveness of COVID-19 mRNA Vaccines Against COVID-19-Associated Hospitalizations Among Immunocompromised Adults During SARS-CoV-2 Omicron Predominance - VISION Network, 10 States, December 2021-August 2022. MMWR Morb Mortal Wkly Rep. 2022 Oct 21;71(42):1335-1342. PubMed PMID: 36264840
• Wynia MK, Beaty LE, Bennett TD, Carlson NE, Davis CB, Kwan BM, Mayer DA, Ong TC, Russell S, Steele JD, Stocker HR, Wogu AF, Zane RD, Sokol RJ, Ginde AA. Real-World Evidence of Neutralizing Monoclonal Antibodies for Preventing Hospitalization and Mortality in COVID-19 Outpatients. Chest. 2022 Oct 28. [Epub ahead of print] PubMed PMID: 36441040
• Ferdinands JM, Rao S, Dixon BE, Mitchell PK, DeSilva MB, Irving SA, Lewis N, Natarajan K, Stenehjem E, Grannis SJ, Han J, McEvoy C, Ong TC, Naleway AL, Reese SE, Embi PJ, Dascomb K, Klein NP, Griggs EP, Liao IC, Yang DH, Fadel WF, Grisel N, Goddard K, Patel P, Murthy K, Birch R, Valvi NR, Arndorfer J, Zerbo O, Dickerson M, Raiyani C, Williams J, Bozio CH, Blanton L, Link-Gelles R, Barron MA, Gaglani M, Thompson MG, Fireman B. Waning of vaccine effectiveness against moderate and severe covid-19 among adults in the US from the VISION network: test negative, case-control study. BMJ. 2022 Oct 3;379:e072141. PubMed PMID: 36191948
• Bozio CH, Butterfield K, Irving SA, Vazquez-Benitez G, Ong TC, Zheng K, Ball SW, Naleway AL, Barron M, Reed C. Relative Risks of COVID-19-Associated Hospitalizations and Clinical Outcomes by Age and Race/Ethnicity-March 2020-March 2021. Open Forum Infect Dis. 2022 Oct;9(10):ofac376. PubMed PMID: 36204160
• DeSilva MB, Mitchell PK, Klein NP, Dixon BE, Tenforde MW, Thompson MG, Naleway AL, Grannis SJ, Ong TC, Natarajan K, Reese SE, Zerbo O, Kharbanda AB, Patel P, Stenehjem E, Raiyani C, Irving SA, Fadel WF, Rao S, Han J, Reynolds S, Davis JM, Lewis N, McEvoy C, Dickerson M, Dascomb K, Valvi NR, Barron MA, Goddard K, Vazquez-Benitez G, Grisel N, Mamawala M, Embi PJ, Fireman B, Essien IJ, Griggs EP, Arndorfer J, Gaglani M. Protection of 2 and 3 mRNA Vaccine Doses Against Severe Outcomes Among Adults Hospitalized with COVID-19 - VISION Network, August 2021 - March 2022. J Infect Dis. 2022 Nov 23. [Epub ahead of print] PubMed PMID: 36415904
• Scott KA, Davies SD, Zucker R, Ong T, Kraus EM, Kahn MG, Bondy J, Daley MF, Horle K, Bacon E, Schilling L, Crume T, Hasnain-Wynia R, Foldy S, Budney G, Davidson AJ. A process to deduplicate individuals for regional chronic disease prevalence estimates using a distributed data network of electronic health records. Learn Health Syst. 2022 Jul;6(3):e10297. PubMed PMID: 35860322
• Douin DJ, Wogu AF, Beaty LE, Carlson NE, Bennett TD, Aggarwal NR, Mayer DA, Ong TC, Russell S, Steele J, Peers JL, Molina KC, Wynia MK, Ginde AA. Association between treatment failure and hospitalization after receipt of neutralizing monoclonal antibody treatment for COVID-19 outpatients. BMC Infect Dis. 2022 Nov 7;22(1):818. PubMed PMID: 36344927
• Schrag SJ, Verani JR, Dixon BE, Page JM, Butterfield KA, Gaglani M, Vazquez-Benitez G, Zerbo O, Natarajan K, Ong TC, Lazariu V, Rao S, Beaver R, Ellington SR, Klein NP, Irving SA, Grannis SJ, Kiduko S, Barron MA, Midturi J, Dickerson M, Lewis N, Stockwell MS, Stenehjem E, Fadel WF, Link-Gelles R, Murthy K, Goddard K, Grisel N, Valvi NR, Fireman B, Arndorfer J, Konatham D, Ball S, Thompson MG, Naleway AL. Estimation of COVID-19 mRNA Vaccine Effectiveness Against Medically Attended COVID-19 in Pregnancy During Periods of Delta and Omicron Variant Predominance in the United States. JAMA Netw Open. 2022 Sep 1;5(9):e2233273. PubMed PMID: 36156146
• Link-Gelles R, Levy ME, Gaglani M, Irving SA, Stockwell M, Dascomb K, DeSilva MB, Reese SE, Liao IC, Ong TC, Grannis SJ, McEvoy C, Patel P, Klein NP, Hartmann E, Stenehjem E, Natarajan K, Naleway AL, Murthy K, Rao S, Dixon BE, Kharbanda AB, Akinseye A, Dickerson M, Lewis N, Grisel N, Han J, Barron MA, Fadel WF, Dunne MM, Goddard K, Arndorfer J, Konatham D, Valvi NR, Currey JC, Fireman B, Raiyani C, Zerbo O, Sloan-Aagard C, Ball SW, Thompson MG, Tenforde MW. Effectiveness of 2, 3, and 4 COVID-19 mRNA Vaccine Doses Among Immunocompetent Adults During Periods when SARS-CoV-2 Omicron BA.1 and BA.2/BA.2.12.1 Sublineages Predominated - VISION Network, 10 States, December 2021-June 2022. MMWR Morb Mortal Wkly Rep. 2022 Jul 22;71(29):931-939. PubMed PMID: 35862287
• Klein NP, Stockwell MS, Demarco M, Gaglani M, Kharbanda AB, Irving SA, Rao S, Grannis SJ, Dascomb K, Murthy K, Rowley EA, Dalton AF, DeSilva MB, Dixon BE, Natarajan K, Stenehjem E, Naleway AL, Lewis N, Ong TC, Patel P, Konatham D, Embi PJ, Reese SE, Han J, Grisel N, Goddard K, Barron MA, Dickerson M, Liao IC, Fadel WF, Yang DH, Arndorfer J, Fireman B, Griggs EP, Valvi NR, Hallowell C, Zerbo O, Reynolds S, Ferdinands J, Wondimu MH, Williams J, Bozio CH, Link-Gelles R, Azziz-Baumgartner E, Schrag SJ, Thompson MG, Verani JR. Effectiveness of COVID-19 Pfizer-BioNTech BNT162b2 mRNA Vaccination in Preventing COVID-19-Associated Emergency Department and Urgent Care Encounters and Hospitalizations Among Nonimmunocompromised Children and Adolescents Aged 5-17 Years - VISION Network, 10 States, April 2021-January 2022. MMWR Morb Mortal Wkly Rep. 2022 Mar 4;71(9):352-358. PubMed PMID: 35239634
• Ferdinands JM, Rao S, Dixon BE, Mitchell PK, DeSilva MB, Irving SA, Lewis N, Natarajan K, Stenehjem E, Grannis SJ, Han J, McEvoy C, Ong TC, Naleway AL, Reese SE, Embi PJ, Dascomb K, Klein NP, Griggs EP, Konatham D, Kharbanda AB, Yang DH, Fadel WF, Grisel N, Goddard K, Patel P, Liao IC, Birch R, Valvi NR, Reynolds S, Arndorfer J, Zerbo O, Dickerson M, Murthy K, Williams J, Bozio CH, Blanton L, Verani JR, Schrag SJ, Dalton AF, Wondimu MH, Link-Gelles R, Azziz-Baumgartner E, Barron MA, Gaglani M, Thompson MG, Fireman B. Waning 2-Dose and 3-Dose Effectiveness of mRNA Vaccines Against COVID-19-Associated Emergency Department and Urgent Care Encounters and Hospitalizations Among Adults During Periods of Delta and Omicron Variant Predominance - VISION Network, 10 States, August 2021-January 2022. MMWR Morb Mortal Wkly Rep. 2022 Feb 18;71(7):255-263. PubMed PMID: 35176007
• Aggarwal NR, Beaty LE, Bennett TD, Carlson NE, Davis CB, Kwan BM, Mayer DA, Ong TC, Russell S, Steele J, Wogu AF, Wynia MK, Zane RD, Ginde AA. Real World Evidence of the Neutralizing Monoclonal Antibody Sotrovimab for Preventing Hospitalization and Mortality in COVID-19 Outpatients. J Infect Dis. 2022 May 16. [Epub ahead of print] PubMed PMID: 35576581
• Natarajan K, Prasad N, Dascomb K, Irving SA, Yang DH, Gaglani M, Klein NP, DeSilva MB, Ong TC, Grannis SJ, Stenehjem E, Link-Gelles R, Rowley EA, Naleway AL, Han J, Raiyani C, Benitez GV, Rao S, Lewis N, Fadel WF, Grisel N, Griggs EP, Dunne MM, Stockwell MS, Mamawala M, McEvoy C, Barron MA, Goddard K, Valvi NR, Arndorfer J, Patel P, Mitchell PK, Smith M, Kharbanda AB, Fireman B, Embi PJ, Dickerson M, Davis JM, Zerbo O, Dalton AF, Wondimu MH, Azziz-Baumgartner E, Bozio CH, Reynolds S, Ferdinands J, Williams J, Schrag SJ, Verani JR, Ball S, Thompson MG, Dixon BE. Effectiveness of Homologous and Heterologous COVID-19 Booster Doses Following 1 Ad.26.COV2.S (Janssen [Johnson & Johnson]) Vaccine Dose Against COVID-19-Associated Emergency Department and Urgent Care Encounters and Hospitalizations Among Adults - VISION Network, 10 States, December 2021-March 2022. MMWR Morb Mortal Wkly Rep. 2022 Apr 1;71(13):495-502. PubMed PMID: 35358170
• Thompson MG, Natarajan K, Irving SA, Rowley EA, Griggs EP, Gaglani M, Klein NP, Grannis SJ, DeSilva MB, Stenehjem E, Reese SE, Dickerson M, Naleway AL, Han J, Konatham D, McEvoy C, Rao S, Dixon BE, Dascomb K, Lewis N, Levy ME, Patel P, Liao IC, Kharbanda AB, Barron MA, Fadel WF, Grisel N, Goddard K, Yang DH, Wondimu MH, Murthy K, Valvi NR, Arndorfer J, Fireman B, Dunne MM, Embi P, Azziz-Baumgartner E, Zerbo O, Bozio CH, Reynolds S, Ferdinands J, Williams J, Link-Gelles R, Schrag SJ, Verani JR, Ball S, Ong TC. Effectiveness of a Third Dose of mRNA Vaccines Against COVID-19-Associated Emergency Department and Urgent Care Encounters and Hospitalizations Among Adults During Periods of Delta and Omicron Variant Predominance - VISION Network, 10 States, August 2021-January 2022. MMWR Morb Mortal Wkly Rep. 2022 Jan 21;71(4):139-145. PubMed PMID: 35085224
• Thompson MG, Stenehjem E, Grannis S, Ball SW, Naleway AL, Ong TC, DeSilva MB, Natarajan K, Bozio CH, Lewis N, Dascomb K, Dixon BE, Birch RJ, Irving SA, Rao S, Kharbanda E, Han J, Reynolds S, Goddard K, Grisel N, Fadel WF, Levy ME, Ferdinands J, Fireman B, Arndorfer J, Valvi NR, Rowley EA, Patel P, Zerbo O, Griggs EP, Porter RM, Demarco M, Blanton L, Steffens A, Zhuang Y, Olson N, Barron M, Shifflett P, Schrag SJ, Verani JR, Fry A, Gaglani M, Azziz-Baumgartner E, Klein NP. Effectiveness of Covid-19 Vaccines in Ambulatory and Inpatient Care Settings. N Engl J Med. 2021 Oct 7;385(15):1355-1371. PubMed PMID: 34496194
• Tillman AR, Colborn KL, Scott KA, Davidson AJ, Khanna A, Kao D, McKenzie L, Ong T, Rausch CM, Duca LM, Daley MF, Coleman S, Costa E 3rd, Fernie E, Crume TL. Associations Between Socioeconomic Context and Congenital Heart Disease Related Outcomes in Adolescents and Adults. Am J Cardiol. 2021 Jan 15;139:105-115. PubMed PMID: 33203514
• Jensen ET, Dabelea DA, Praveen PA, Amutha A, Hockett CW, Isom SP, Ong TC, Mohan V, D'Agostino R Jr, Kahn MG, Hamman RF, Wadwa P, Dolan L, Lawrence JM, Madhu SV, Chhokar R, Goel K, Tandon N, Mayer-Davis E. Comparison of the incidence of diabetes in United States and Indian youth: An international harmonization of youth diabetes registries. Pediatr Diabetes. 2021 Feb;22(1):8-14. PubMed PMID: 32196874
• Amutha A, Praveen PA, Hockett CW, Ong TC, Jensen ET, Isom SP, D'Agostino RBJ, Hamman RF, Mayer-Davis EJ, Wadwa RP, Lawrence JM, Pihoker C, Kahn MG, Dabelea D, Tandon N, Mohan V. Treatment regimens and glycosylated hemoglobin levels in youth with Type 1 and Type 2 diabetes: Data from SEARCH (United States) and YDR (India) registries. Pediatr Diabetes. 2021 Feb;22(1):31-39. PubMed PMID: 32134536
• Hockett CW, Praveen PA, Ong TC, Amutha A, Isom SP, Jensen ET, D'Agostino RB Jr, Hamman RF, Mayer-Davis EJ, Lawrence JM, Pihoker C, Kahn MG, Mohan V, Tandon N, Dabelea D. Clinical profile at diagnosis with youth-onset type 1 and type 2 diabetes in two pediatric diabetes registries: SEARCH (United States) and YDR (India). Pediatr Diabetes. 2021 Feb;22(1):22-30. PubMed PMID: 31953884
• Praveen PA, Hockett CW, Ong TC, Amutha A, Isom SP, Jensen ET, Mohan V, Dabelea DA, D'Agostino RB Jr, Hamman RF, Mayer-Davis EJ, Lawrence JM, Dolan LM, Kahn MG, Madhu SV, Tandon N. Diabetic ketoacidosis at diagnosis among youth with type 1 and type 2 diabetes: Results from SEARCH (United States) and YDR (India) registries. Pediatr Diabetes. 2021 Feb;22(1):40-46. PubMed PMID: 31943641
• Bozio CH, Grannis SJ, Naleway AL, Ong TC, Butterfield KA, DeSilva MB, Natarajan K, Yang DH, Rao S, Klein NP, Irving SA, Dixon BE, Dascomb K, Liao IC, Reynolds S, McEvoy C, Han J, Reese SE, Lewis N, Fadel WF, Grisel N, Murthy K, Ferdinands J, Kharbanda AB, Mitchell PK, Goddard K, Embi PJ, Arndorfer J, Raiyani C, Patel P, Rowley EA, Fireman B, Valvi NR, Griggs EP, Levy ME, Zerbo O, Porter RM, Birch RJ, Blanton L, Ball SW, Steffens A, Olson N, Williams J, Dickerson M, McMorrow M, Schrag SJ, Verani JR, Fry AM, Azziz-Baumgartner E, Barron M, Gaglani M, Thompson MG, Stenehjem E. Laboratory-Confirmed COVID-19 Among Adults Hospitalized with COVID-19-Like Illness with Infection-Induced or mRNA Vaccine-Induced SARS-CoV-2 Immunity - Nine States, January-September 2021. MMWR Morb Mortal Wkly Rep. 2021 Nov 5;70(44):1539-1544. PubMed PMID: 34735425
• Embi PJ, Levy ME, Naleway AL, Patel P, Gaglani M, Natarajan K, Dascomb K, Ong TC, Klein NP, Liao IC, Grannis SJ, Han J, Stenehjem E, Dunne MM, Lewis N, Irving SA, Rao S, McEvoy C, Bozio CH, Murthy K, Dixon BE, Grisel N, Yang DH, Goddard K, Kharbanda AB, Reynolds S, Raiyani C, Fadel WF, Arndorfer J, Rowley EA, Fireman B, Ferdinands J, Valvi NR, Ball SW, Zerbo O, Griggs EP, Mitchell PK, Porter RM, Kiduko SA, Blanton L, Zhuang Y, Steffens A, Reese SE, Olson N, Williams J, Dickerson M, McMorrow M, Schrag SJ, Verani JR, Fry AM, Azziz-Baumgartner E, Barron MA, Thompson MG, DeSilva MB. Effectiveness of 2-Dose Vaccination with mRNA COVID-19 Vaccines Against COVID-19-Associated Hospitalizations Among Immunocompromised Adults - Nine States, January-September 2021. MMWR Morb Mortal Wkly Rep. 2021 Nov 5;70(44):1553-1559. PubMed PMID: 34735426
• Grannis SJ, Rowley EA, Ong TC, Stenehjem E, Klein NP, DeSilva MB, Naleway AL, Natarajan K, Thompson MG. Interim Estimates of COVID-19 Vaccine Effectiveness Against COVID-19-Associated Emergency Department or Urgent Care Clinic Encounters and Hospitalizations Among Adults During SARS-CoV-2 B.1.617.2 (Delta) Variant Predominance - Nine States, June-August 2021. MMWR Morb Mortal Wkly Rep. 2021 Sep 17;70(37):1291-1293. PubMed PMID: 34529642
• Jensen ET, Dabelea DA, Praveen PA, Amutha A, Hockett CW, Isom SP, Ong TC, Mohan V, D'Agostino R Jr, Kahn MG, Hamman RF, Wadwa P, Dolan L, Lawrence JM, Madhu SV, Chhokar R, Goel K, Tandon N, Mayer-Davis E. Comparison of the incidence of diabetes in United States and Indian youth: An international harmonization of youth diabetes registries. Pediatr Diabetes. 2020 Mar 20. [Epub ahead of print] PubMed PMID: 32196874
• Amutha A, Praveen PA, Hockett CW, Ong TC, Jensen ET, Isom SP, D'Agostino RBJ, Hamman RF, Mayer-Davis EJ, Wadwa RP, Lawrence JM, Pihoker C, Kahn MG, Dabelea D, Tandon N, Mohan V. Treatment regimens and glycosylated hemoglobin levels in youth with Type 1 and Type 2 diabetes: Data from SEARCH (United States) and YDR (India) registries. Pediatr Diabetes. 2020 Mar 5. [Epub ahead of print] PubMed PMID: 32134536
• Crume TL, Duca LM, Ong T, Kraus E, Scott K, Khanna A, Kao D, Rausch CM, McKenzie L, Daley MF, Coleman S, Kahn MG, Costa E 3rd, Davidson AJ. Population-level surveillance of congenital heart defects among adolescents and adults in Colorado: Implications of record linkage. Am Heart J. 2020 Aug;226:75-84. PubMed PMID: 32526532
• Duca LM, Pyle L, Khanna AD, Ong T, Kahn MG, DiGuiseppi C, Scott K, Daley MF, Costa E 3rd, Davidson AJ, Crume TL. Estimating the prevalence of congenital heart disease among adolescents and adults in Colorado adjusted for incomplete case ascertainment. Am Heart J. 2020 Mar;221:95-105. PubMed PMID: 31955128
• Tillman AR, Colborn KL, Scott KA, Davidson AJ, Khanna A, Kao D, McKenzie L, Ong T, Rausch CM, Duca LM, Daley MF, Coleman S, Costa E 3rd, Fernie E, Crume TL. Associations Between Socioeconomic Context and Congenital Heart Disease Related Outcomes in Adolescents and Adults. Am J Cardiol. 2020 Oct 24. [Epub ahead of print] PubMed PMID: 33203514
• Doctor JN, Vaidya J, Jiang X, Wang S, Schilling LM, Ong T, Matheny ME, Ohno-Machado L, Meeker D. Efficient determination of equivalence for encrypted data. Comput Secur. 2020 Oct;97. PubMed PMID: 33223585
• Reno J, Kwan B, Voong C, Ong T. Engaging stakeholders throughout the entire process is vital to designing effective messages and dissemination strategies for novel data science methods. Poster presented at; 2020 Mar; Lexington, KY.
• Doctor JN, Vaidya J, Jiang X, Wang S, Schilling LM, Ong T, Matheny ME, Ohno-Machado L, Meeker D. Efficient determination of equivalence for encrypted data. Comput Secur. 2020 Oct;97. PubMed PMID: 33223585
• Crume TL, Duca LM, Ong T, Kraus E, Scott K, Khanna A, Kao D, Rausch CM, McKenzie L, Daley MF, Coleman S, Kahn MG, Costa E 3rd, Davidson AJ. Population-level surveillance of congenital heart defects among adolescents and adults in Colorado: Implications of record linkage. Am Heart J. 2020 Aug;226:75-84. PubMed PMID: 32526532
• Ong TC, Duca LM, Kahn MG, Crume TL. A hybrid approach to record linkage using a combination of deterministic and probabilistic methodology. J Am Med Inform Assoc. 2020 Apr 1;27(4):505-513. PubMed PMID: 32049329
• Duca LM, Pyle L, Khanna AD, Ong T, Kahn MG, DiGuiseppi C, Scott K, Daley MF, Costa E 3rd, Davidson AJ, Crume TL. Estimating the prevalence of congenital heart disease among adolescents and adults in Colorado adjusted for incomplete case ascertainment. Am Heart J. 2020 Mar;221:95-105. PubMed PMID: 31955128
• Ong TC, Duca LM, Kahn MG, Crume TL. A hybrid approach to record linkage using a combination of deterministic and probabilistic methodology. J Am Med Inform Assoc. 2020 Apr 1;27(4):505-513. PubMed PMID: 32049329
• Hockett CW, Praveen PA, Ong TC, Amutha A, Isom SP, Jensen ET, D'Agostino RB Jr, Hamman RF, Mayer-Davis EJ, Lawrence JM, Pihoker C, Kahn MG, Mohan V, Tandon N, Dabelea D. Clinical profile at diagnosis with youth-onset type 1 and type 2 diabetes in two pediatric diabetes registries: SEARCH (United States) and YDR (India). Pediatr Diabetes. 2020 Jan 17. [Epub ahead of print] PubMed PMID: 31953884
• Praveen PA, Hockett CW, Ong TC, Amutha A, Isom SP, Jensen ET, Mohan V, Dabelea DA, D'Agostino RB Jr, Hamman RF, Mayer-Davis EJ, Lawrence JM, Dolan LM, Kahn MG, Madhu SV, Tandon N. Diabetic ketoacidosis at diagnosis among youth with type 1 and type 2 diabetes: Results from SEARCH (United States) and YDR (India) registries. Pediatr Diabetes. 2020 Jan 14. [Epub ahead of print] PubMed PMID: 31943641
• Ong TC, Mannino MV, Schilling LM, Kahn MG. Improving record linkage performance in the presence of missing linkage data. J Biomed Inform. 2014 Dec;52:43-54. PubMed PMID: 24524889