Bidulka, P; (2024) Advancing the use of routinely collected health data in observational research to study comparative treatment effects: Two natural experiments in UK primary and secondary care. PhD thesis, London School of Hygiene & Tropical Medicine. DOI: https://doi.org/10.17037/PUBS.04673557

Bidulka, Patrick; Lugo-Palacios, David G; Carroll, Orlagh; O'Neill, Stephen; Adler, Amanda I; Basu, Anirban; Silverwood, Richard J; Bartlett, Jonathan W; Nitsch, Dorothea; Charlton, Paul; +5 more... Briggs, Andrew H; Smeeth, Liam; Douglas, Ian J; Khunti, Kamlesh; Grieve, Richard; (2024) Comparative effectiveness of second line oral antidiabetic treatments among people with type 2 diabetes mellitus: emulation of a target trial using routinely collected health data. BMJ, 385. e077097-. DOI: https://doi.org/10.1136/bmj-2023-077097

Costello, Ruth E; Pedersen, Lars; Henderson, Alasdair D; Tazare, John; Sorensen, Henrik Toft; Vandenbroucke, Jan P; Mansfield, Kathryn E; Mahalingasivam, Viyaasan; Zheng, Bang; Carreira, Helena; +16 more... Bidulka, Patrick; Piehlmaier, Dominik Manuel; Wong, Angel Yun Sum; Warren-Gash, Charlotte; Hayes, Joseph F; Quint, Jennifer K; Katikireddi, Srinivasa Vittal; Mackenna, Brian; Mehrkar, Amir; Bacon, Sebastian; Goldacre, Ben; Tomlinson, Laurie A; Langan, Sinead M; Mathur, Rohini; Collaborative, The Lh W Ncs Or Convalescence; Consortium, The OpenSAFELY; (2024) Impacts of the COVID-19 pandemic on deprivation-level differences in cardiovascular hospitalisations: a comparison of England and Denmark using the OpenSAFELY platform and National Registry Data. BMJ open, 14 (10). e088710-. ISSN 2044-6055 DOI: https://doi.org/10.1136/bmjopen-2024-088710

Costello, Ruth E; Tazare, John; Piehlmaier, Dominik; Herrett, Emily; Parker, Edward PK; Zheng, Bang; Mansfield, Kathryn E; Henderson, Alasdair D; Carreira, Helena; Bidulka, Patrick; +13 more... Wong, Angel YS; Warren-Gash, Charlotte; Hayes, Joseph F; Quint, Jennifer K; MacKenna, Brian; Mehrkar, Amir; Eggo, Rosalind M; Katikireddi, Srinivasa Vittal; Tomlinson, Laurie; Langan, Sinéad M; Mathur, Rohini; LH&W NCS (or CONVALESCENCE) Collaborative; OpenSAFELY collaborative; (2023) Ethnic differences in the indirect effects of the COVID-19 pandemic on clinical monitoring and hospitalisations for non-COVID conditions in England: a population-based, observational cohort study using the OpenSAFELY platform. EClinicalMedicine, 61 (102077). 102077-. ISSN 2589-5370 DOI: https://doi.org/10.1016/j.eclinm.2023.102077

Scott, Jemima; Bidulka, Patrick; Taylor, Dominic M; Udayaraj, Udaya; Caskey, Fergus J; Birnie, Kate; Deanfield, John; de Belder, Mark; Denaxas, Spiros; Weston, Clive; +2 more... Adlam, David; Nitsch, Dorothea; (2023) Management and outcomes of myocardial infarction in people with impaired kidney function in England. BMC nephrology, 24 (1). 325-. ISSN 1471-2369 DOI: https://doi.org/10.1186/s12882-023-03377-x

Bidulka, Patrick; Mathur, Rohini; Lugo-Palacios, David G; O'Neill, Stephen; Basu, Anirban; Silverwood, Richard J; Charlton, Paul; Briggs, Andrew; Smeeth, Liam; Adler, Amanda I; +3 more... Douglas, Ian J; Khunti, Kamlesh; Grieve, Richard; (2022) Ethnic and socioeconomic disparities in initiation of second-line antidiabetic treatment for people with type 2 diabetes in England: A cross-sectional study. Diabetes, obesity & metabolism, 25 (1). pp. 282-292. ISSN 1462-8902 DOI: https://doi.org/10.1111/dom.14874

Bidulka, Patrick; Scott, Jemima; Taylor, Dominic M; Udayaraj, Udaya; Caskey, Fergus; Teece, Lucy; Sweeting, Michael; Deanfield, John; de Belder, Mark; Denaxas, Spiros; +3 more... Weston, Clive; Adlam, David; Nitsch, Dorothea; (2022) Impact of chronic kidney disease on case ascertainment for hospitalised acute myocardial infarction: an English cohort study. BMJ Open, 12 (3). e057909-. ISSN 2044-6055 DOI: https://doi.org/10.1136/bmjopen-2021-057909

Bidulka, Patrick; O'Neill, Stephen; Basu, Anirban; Wilkinson, Samantha; Silverwood, Richard J; Charlton, Paul; Briggs, Andrew; Adler, Amanda I; Khunti, Kamlesh; Tomlinson, Laurie A; +3 more... Smeeth, Liam; Douglas, Ian J; Grieve, Richard; (2021) Protocol for an observational cohort study investigating personalised medicine for intensification of treatment in people with type 2 diabetes mellitus: the PERMIT study. BMJ Open, 11 (9). e046912-. ISSN 2044-6055 DOI: https://doi.org/10.1136/bmjopen-2020-046912

Bidulka, Patrick; Vestergaard, Søren Viborg; Hlupeni, Admire; Kjærsgaard, Anders; Wong, Angel YS; Langan, Sinéad M; Schmidt, Sigrun Alba Johannesdottir; Lyon, Susan; Christiansen, Christian Fynbo; Nitsch, Dorothea; (2021) Adverse outcomes after partner bereavement in people with reduced kidney function: Parallel cohort studies in England and Denmark. PLoS ONE, 16 (9). e0257255-. ISSN 1932-6203 DOI: https://doi.org/10.1371/journal.pone.0257255

Coles, Briana; Teece, Lucy; Weston, Clive; de Belder, Mark A; Oliver-Williams, Clare; Welch, Catherine A; Rutherford, Mark J; Lambert, Paul C; Bidulka, Patrick; Paley, Lizz; +5 more... Nitsch, Dorothea; Deanfield, John; Peake, Mick D; Adlam, David; Sweeting, Michael J; (2021) Case-ascertainment of acute myocardial infarction hospitalizations in cancer patients: a cohort study using English linked electronic health data. European Heart Journal - Quality of Care and Clinical Outcomes, 8 (1). pp. 86-95. ISSN 2058-5225 DOI: https://doi.org/10.1093/ehjqcco/qcab045

Mansfield, Kathryn E; Mathur, Rohini; Tazare, John; Henderson, Alasdair D; Mulick, Amy R; Carreira, Helena; Matthews, Anthony A; Bidulka, Patrick; Gayle, Alicia; Forbes, Harriet; +11 more... Cook, Sarah; Wong, Angel YS; Strongman, Helen; Wing, Kevin; Warren-Gash, Charlotte; Cadogan, Sharon L; Smeeth, Liam; Hayes, Joseph F; Quint, Jennifer K; McKee, Martin; Langan, Sinéad M; (2021) Indirect acute effects of the COVID-19 pandemic on physical and mental health in the UK: a population-based study. The Lancet. Digital health, 3 (4). e217-e230. ISSN 2589-7500 DOI: https://doi.org/10.1016/S2589-7500(21)00017-0

Bidulka, Patrick; Fu, Edouard L; Leyrat, Clémence; Kalogirou, Fotini; McAllister, Katherine SL; Kingdon, Edward J; Mansfield, Kathryn E; Iwagami, Masao; Smeeth, Liam; Clase, Catherine M; +5 more... Bhaskaran, Krishnan; van Diepen, Merel; Carrero, Juan-Jesus; Nitsch, Dorothea; Tomlinson, Laurie A; (2020) Stopping renin-angiotensin system blockers after acute kidney injury and risk of adverse outcomes: parallel population-based cohort studies in English and Swedish routine care. BMC Medicine, 18 (1). 195-. DOI: https://doi.org/10.1186/s12916-020-01659-x

Bidulka, Patrick; Iwagami, Masao; Mansfield, Kathryn E; Kalogirou, Fotini; Wong, Angel YS; Douglas, Ian J; Smeeth, Liam; Summers, Charlotte; Tomlinson, Laurie A; (2020) Comparisons of Staphylococcus aureus infection and other outcomes between users of angiotensin-converting-enzyme inhibitors and angiotensin II receptor blockers: lessons for COVID-19 from a nationwide cohort study. Wellcome Open Research, 5. 77-. DOI: https://doi.org/10.12688/wellcomeopenres.15873.1

Tomlinson, Laurie; Iwagami, Masao; Bidulka, Patrick; Wong, Yun Sum; (2020) Supplementary data for “Comparisons of Staphylococcus aureus infection and other outcomes between users of angiotensin-converting-enzyme inhibitors and angiotensin II receptor blockers: lessons for COVID-19 from a nationwide cohort study”. London School of Hygiene & Tropical Medicine. DOI: https://doi.org/10.17037/PUBS.04656578 (Unpublished)