| Safety of hydroxychloroquine, alone and in combination with azithromycin, in light of rapid wide-spread use for COVID-19: a multinational, network cohort and self-controlled … JCE Lane, J Weaver, K Kostka, T Duarte-Salles, MTF Abrahao, H Alghoul, ... MedRxiv, 2020 | 177 | 2020 |
| Characterising the background incidence rates of adverse events of special interest for covid-19 vaccines in eight countries: multinational network cohort study X Li, A Ostropolets, R Makadia, A Shoaibi, G Rao, AG Sena, ... bmj 373, 2021 | 144 | 2021 |
| Risk of hydroxychloroquine alone and in combination with azithromycin in the treatment of rheumatoid arthritis: a multinational, retrospective study JCE Lane, J Weaver, K Kostka, T Duarte-Salles, MTF Abrahao, H Alghoul, ... The Lancet Rheumatology 2 (11), e698-e711, 2020 | 126 | 2020 |
| Deep phenotyping of 34,128 adult patients hospitalised with COVID-19 in an international network study E Burn, SC You, AG Sena, K Kostka, H Abedtash, MTF Abrahão, ... Nature communications 11 (1), 5009, 2020 | 87 | 2020 |
| Characterizing the incidence of adverse events of special interest for COVID-19 vaccines across eight countries: a multinational network cohort study X Li, A Ostropolets, R Makadia, A Shaoibi, G Rao, AG Sena, ... Medrxiv, 2021 | 59 | 2021 |
| COVID-19 in patients with autoimmune diseases: characteristics and outcomes in a multinational network of cohorts across three countries EH Tan, AG Sena, A Prats-Uribe, SC You, WUR Ahmed, K Kostka, ... Rheumatology 60 (SI), SI37-SI50, 2021 | 46 | 2021 |
| Metformin is associated with a lower risk of atrial fibrillation and ventricular arrhythmias compared with sulfonylureas: an observational study A Ostropolets, PA Elias, MV Reyes, EY Wan, UB Pajvani, G Hripcsak, ... Circulation: Arrhythmia and Electrophysiology 14 (3), e009115, 2021 | 29 | 2021 |
| An international characterisation of patients hospitalised with COVID-19 and a comparison with those previously hospitalised with influenza E Burn, SC You, AG Sena, K Kostka, H Abedtash, MTF Abrahao, ... MedRxiv, 2020 | 29 | 2020 |
| Deep phenotyping of 34,128 patients hospitalised with COVID-19 and a comparison with 81,596 influenza patients in America, Europe and Asia: an international network study E Burn, SC You, AG Sena, K Kostka, H Abedtash, MTF Abrahão, ... medRxiv, 2020.04. 22.20074336, 2020 | 28 | 2020 |
| Unraveling COVID-19: a large-scale characterization of 4.5 million COVID-19 cases using CHARYBDIS K Kostka, T Duarte-Salles, A Prats-Uribe, AG Sena, A Pistillo, S Khalid, ... Clinical Epidemiology, 369-384, 2022 | 27 | 2022 |
| A scoping review of clinical decision support tools that generate new knowledge to support decision making in real time A Ostropolets, L Zhang, G Hripcsak Journal of the American Medical Informatics Association 27 (12), 1968-1976, 2020 | 24 | 2020 |
| Risk of depression, suicide and psychosis with hydroxychloroquine treatment for rheumatoid arthritis: a multinational network cohort study JCE Lane, J Weaver, K Kostka, T Duarte-Salles, MTF Abrahao, H Alghoul, ... Rheumatology 60 (7), 3222-3234, 2021 | 21 | 2021 |
| The medical deconfounder: assessing treatment effects with electronic health records L Zhang, Y Wang, A Ostropolets, JJ Mulgrave, DM Blei, G Hripcsak Machine Learning for Healthcare Conference, 490-512, 2019 | 21 | 2019 |
| Towards clinical data-driven eligibility criteria optimization for interventional COVID-19 clinical trials JH Kim, CN Ta, C Liu, C Sung, AM Butler, LA Stewart, L Ena, JR Rogers, ... Journal of the American Medical Informatics Association 28 (1), 14-22, 2021 | 19 | 2021 |
| Characteristics and outcomes of patients with COVID-19 with and without prevalent hypertension: a multinational cohort study C Reyes, A Pistillo, S Fernández-Bertolín, M Recalde, E Roel, D Puente, ... BMJ open 11 (12), e057632, 2021 | 18 | 2021 |
| Bias, precision and timeliness of historical (background) rate comparison methods for vaccine safety monitoring: an empirical multi-database analysis X Li, LYH Lai, A Ostropolets, F Arshad, EH Tan, P Casajust, ... Frontiers in Pharmacology 12, 773875, 2021 | 18 | 2021 |
| Implementation of the COVID-19 vulnerability index across an international network of health care data sets: collaborative external validation study JM Reps, C Kim, RD Williams, AF Markus, C Yang, T Duarte-Salles, ... JMIR medical informatics 9 (4), e21547, 2021 | 18 | 2021 |
| Adapting electronic health records-derived phenotypes to claims data: Lessons learned in using limited clinical data for phenotyping A Ostropolets, C Reich, P Ryan, N Shang, G Hripcsak, C Weng Journal of biomedical informatics 102, 103363, 2020 | 14 | 2020 |
| Factors influencing background incidence rate calculation: systematic empirical evaluation across an international network of observational databases A Ostropolets, X Li, R Makadia, G Rao, PR Rijnbeek, T Duarte-Salles, ... Frontiers in Pharmacology 13, 814198, 2022 | 13 | 2022 |
| Incorporation of Korean electronic data interchange vocabulary into observational medical outcomes partnership vocabulary Y Seong, SC You, A Ostropolets, Y Rho, J Park, J Cho, D Dymshyts, ... Healthcare Informatics Research 27 (1), 29, 2021 | 13 | 2021 |
George HripcsakColumbia UniversityVerified email at columbia.edu
