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

Forbes, Harriet; Carreira, Helena; Funston, Garth; Andresen, Kirsty; Bhatia, Urvita; Strongman, Helen; Abrol, Esha; Bowen, Liza; Giles, Ceinwen; Bhaskaran, Krishnan; (2024) Early, medium and long-term mental health in cancer survivors compared with cancer-free comparators: matched cohort study using linked UK electronic health records. EClinicalMedicine, 76. 102826-. ISSN 2589-5370 DOI: https://doi.org/10.1016/j.eclinm.2024.102826

Matthewman, Julian; Andresen, Kirsty; Suffel, Anne; Lin, Liang-Yu; Schultze, Anna; Tazare, John; Bhaskaran, Krishnan; Williamson, Elizabeth; Costello, Ruth; Quint, Jennifer; +1 more... Strongman, Helen; (2024) Checklist and guidance on creating codelists for electronic health records research. NIHR open research, 4. p. 20. ISSN 2633-4402 DOI: https://doi.org/10.3310/nihropenres.13550.1

Matthewman, Julian; Andresen, Kirsty; Suffel, Anne; Lin, Liang-Yu; Schultze, Anna; Tazare, John; Bhaskaran, Krishnan; Williamson, Elizabeth; Costello, Ruth; Quint, Jennifer; +1 more... Strongman, Helen; (2024) Checklist and guidance on creating codelists for routinely collected health data research. NIHR open research, 4. 20-. ISSN 2633-4402 DOI: https://doi.org/10.3310/nihropenres.13550.2

Matthewman, Julian; Schultze, Anna; Strongman, Helen; Bhaskaran, Krishnan; Roberts, Amanda; Denaxas, Spiros; Mansfield, Kathryn E; Langan, Sinéad M; (2024) Cohort studies on 71 outcomes among people with atopic eczema in UK primary care data. Nature communications, 15 (1). 9573-. ISSN 2041-1723 DOI: https://doi.org/10.1038/s41467-024-54035-1

Tazare, John; Henderson, Alasdair D; Morley, Jessica; Blake, Helen A; McDonald, Helen I; Williamson, Elizabeth J; Strongman, Helen; (2024) NHS national data opt-outs: trends and potential consequences for health data research. BJGP open, 8 (3). BJGPO.2024.0020-BJGPO.2024.0020. ISSN 2398-3795 DOI: https://doi.org/10.3399/BJGPO.2024.0020

van Someren, Frederick; Wiedemann, Milan; Warren-Gash, Charlotte; Sykorova, Martina; Mistry, Hema; Miller, Michelle A; Leschziner, Guy; Nolte, Ellen; Belot, Aurélien; Smith, Ian E; +3 more... Quinnell, Tim; Eriksson, Sofia H; Strongman, Helen; (2024) Trends and variation in issuance of high-cost narcolepsy drugs by NHS England organisations and regions from 2019 to 2022. Journal of sleep research. e14415-. ISSN 0962-1105 DOI: https://doi.org/10.1111/jsr.14415 (In Press) Item availability may be restricted.

Andresen, Kirsty; Carreira, Helena; Strongman, Helen; McDonald, Helen I; Benitez-Majano, Sara; Mansfield, Kathryn E; Nitsch, Dorothea; Tomlinson, Laurie A; Bhaskaran, Krishnan; (2023) The risk of acute kidney injury in colorectal cancer survivors: an english population-based matched cohort study. BMC Cancer, 23 (1). 839-. ISSN 1471-2407 DOI: https://doi.org/10.1186/s12885-023-11329-9

Warren-Gash, Charlotte; Davidson, Jennifer A; Strongman, Helen; Herrett, Emily; Smeeth, Liam; Breuer, Judith; Banerjee, Amitava; (2023) Severe COVID-19 outcomes by cardiovascular risk profile in England in 2020: a population-based cohort study. The Lancet Regional Health - Europe, 27. 100604-. ISSN 2666-7762 DOI: https://doi.org/10.1016/j.lanepe.2023.100604

Herrett, Emily; Strongman, Helen; Gadd, Sarah; Tomlinson, Laurie; Nitsch, Dorothea; Bhaskaran, Krishnan; Williamson, Elizabeth; van Staa, Tjeerd; Sofat, Reecha; Timmis, Adam; +3 more... Wells, Susan; Smeeth, Liam; Jackson, Rod; (2022) The importance of blood pressure thresholds versus predicted cardiovascular risk on subsequent rates of cardiovascular disease: a cohort study in English primary care. The Lancet Global Health, 3 (1). e22-e30. ISSN 2214-109X DOI: https://doi.org/10.1016/S2666-7568(21)00281-6

Strongman, Helen; Belot, Aurelien; Bhaskaran, Krishnan; Eriksson, Sofia; Leschziner, Guy; Miller, Michelle; Mistry, Hema; Molloy, Amanda; Nolte, Ellen; Quinnell, Tim; +3 more... Smith, Ian; Tomlinson, Laurie; Warren-Gash, Charlotte; (2022) Chronology of healthcare resource use and comorbidities in people with obstructive sleep apnoea and narcolepsy before and after diagnosis: a descriptive study protocol. OSF, Real World Evidence Registry. DOI: https://doi.org/10.17605/OSF.IO/F5UKW

Strongman, Helen; Carreira, Helena; De Stavola, Bianca L; Bhaskaran, Krishnan; Leon, David A; (2022) Factors associated with excess all-cause mortality in the first wave of the COVID-19 pandemic in the UK: A time series analysis using the Clinical Practice Research Datalink. PLoS medicine, 19 (1). e1003870-. ISSN 1549-1277 DOI: https://doi.org/10.1371/journal.pmed.1003870

Strongman, Helen; Gadd, Sarah; Matthews, Anthony A; Mansfield, Kathryn E; Stanway, Susannah; Lyon, Alexander R; Dos-Santos-Silva, Isabel; Smeeth, Liam; Bhaskaran, Krishnan; (2022) Does Cardiovascular Mortality Overtake Cancer Mortality During Cancer Survivorship?: An English Retrospective Cohort Study. JACC: CardioOncology, 4 (1). pp. 113-123. ISSN 2666-0873 DOI: https://doi.org/10.1016/j.jaccao.2022.01.102

Strongman, Helen; Herrett, Emily; Jackson, Rod; Sweeting, Michael; Lyon, Alexander R; Stanway, Susannah; Lawson, Claire; Kadam, Umesh; Smeeth, Liam; Bhaskaran, Krishnan; (2022) Cancer history as a predictor in cardiovascular risk scores: a primary care cohort study. The British journal of general practice, 73 (726). e34-e42. ISSN 0960-1643 DOI: https://doi.org/10.3399/BJGP.2022.0088

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

Strongman, Helen; Carreira, Helena; De Stavola, Bianca L; Bhaskaran, Krishnan; Leon, David A; (2021) Factors associated with excess all-cause mortality in the first wave of COVID-19 pandemic in the UK: a time-series analysis using the Clinical Practice Research Datalink. medRxiv preprint. ISSN 1468-5833 DOI: https://doi.org/10.1101/2021.06.04.21258344

Walker, Jemma L; Grint, Daniel J; Strongman, Helen; Eggo, Rosalind M; Peppa, Maria; Minassian, Caroline; Mansfield, Kathryn E; Rentsch, Christopher T; Douglas, Ian J; Mathur, Rohini; +8 more... Wong, Angel YS; Quint, Jennifer K; Andrews, Nick; Bernal, Jamie Lopez; Scott, J Anthony; Ramsay, Mary; Smeeth, Liam; McDonald, Helen I; (2021) UK prevalence of underlying conditions which increase the risk of severe COVID-19 disease: a point prevalence study using electronic health records. BMC public health, 21 (1). 484-. ISSN 1471-2458 DOI: https://doi.org/10.1186/s12889-021-10427-2

Boddington, Nicola L; Charlett, Andre; Elgohari, Suzanne; Walker, Jemma L; Mcdonald, Helen; Byers, Chloe; Coughlan, Laura; Garcia Vilaplana, Tatiana; Whillock, Rosie; Sinnathamby, Mary; +22 more... Panagiotopoulos, Nikolaos; Letley, Louise; MacDonald, Pauline; Vivancos, Roberto; Edeghere, Obaghe; Shingleton, Joseph; Bennett, Emma; Grint, Daniel J; Strongman, Helen; Mansfield, Kathryn E; Rentsch, Christopher; Minassian, Caroline; Douglas, Ian J; Mathur, Rohini; Peppa, Maria; Cottrell, Simon; McMenamin, Jim; Zambon, Maria; Ramsay, Mary; Dabrera, Gavin; Saliba, Vanessa; Lopez Bernal, Jamie; (2020) COVID-19 in Great Britain: epidemiological and clinical characteristics of the first few hundred (FF100) cases: a descriptive case series and case control analysis. medRxiv preprint. DOI: https://doi.org/10.1101/2020.05.18.20086157 Item availability may be restricted.

Carreira, Helena; Strongman, Helen; Peppa, Maria; McDonald, Helen I; Dos-Santos-Silva, Isabel; Stanway, Susannah; Smeeth, Liam; Bhaskaran, Krishnan; (2020) Prevalence of COVID-19-related risk factors and risk of severe influenza outcomes in cancer survivors: A matched cohort study using linked English electronic health records data. EClinicalMedicine, 29-30. 100656-. ISSN 2589-5370 DOI: https://doi.org/10.1016/j.eclinm.2020.100656

Mansfield, Kathryn E; Mathur, Rohini; Tazare, John; Henderson, Alasdair D; Mulick, Amy; 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; M Langan, Sinéad; (2020) COVID-19 collateral: Indirect acute effects of the pandemic on physical and mental health in the UK. MedRxiv. DOI: https://doi.org/10.1101/2020.10.29.20222174

Strongman, Helen; Williams, Rachael; Bhaskaran, Krishnan; (2020) What are the implications of using individual and combined sources of routinely collected data to identify and characterise incident site-specific cancers? a concordance and validation study using linked English electronic health records data. BMJ OPEN, 10 (8). e037719-. ISSN 2044-6055 DOI: https://doi.org/10.1136/bmjopen-2020-037719

Walker, Jemma L; Grint, Daniel J; Strongman, Helen; Eggo, Rosalind M; Peppa, Maria; Minassian, Caroline; Mansfield, Kathryn E; Rentsch, Christopher T; Douglas, Ian J; Mathur, Rohini; +8 more... Wong, Angel YS; Quint, Jennifer K; Andrews, Nick; Bernal, Jamie Lopez; Scott, J Anthony; Ramsay, Mary; Smeeth, Liam; McDonald, Helen; (2020) UK prevalence of underlying conditions which increase the risk of severe COVID-19 disease: a point prevalence study using electronic health records. MedRxiv. DOI: https://doi.org/10.1101/2020.08.24.20179192

Carreira, Helena; Williams, Rachael; Strongman, Helen; Bhaskaran, Krishnan; (2019) Identification of mental health and quality of life outcomes in primary care databases in the UK: a systematic review. BMJ open, 9 (7). e029227-. ISSN 2044-6055 DOI: https://doi.org/10.1136/bmjopen-2019-029227

Strongman, Helen; Brown, Adam; Smeeth, Liam; Bhaskaran, Krishnan; (2019) Body mass index and Hodgkin's lymphoma: UK population-based cohort study of 5.8 million individuals. British journal of cancer, 120 (7). pp. 768-770. ISSN 0007-0920 DOI: https://doi.org/10.1038/s41416-019-0401-1

Strongman, Helen; Gadd, Sarah; Matthews, Anthony; Mansfield, Kathryn E; Stanway, Susannah; Lyon, Alexander R; Dos-Santos-Silva, Isabel; Smeeth, Liam; Bhaskaran, Krishnan; (2019) Medium and long-term risks of specific cardiovascular diseases in survivors of 20 adult cancers: a population-based cohort study using multiple linked UK electronic health records databases. Lancet, 394 (10203). pp. 1041-1054. ISSN 0140-6736 DOI: https://doi.org/10.1016/S0140-6736(19)31674-5

Strongman, Helen; Williams, Rachael; Meeraus, Wilhelmine; Murray-Thomas, Tarita; Campbell, Jennifer; Carty, Lucy; Dedman, Daniel; Gallagher, Arlene M; Oyinlola, Jessie; Kousoulis, Antonis; +1 more... Valentine, Janet; (2019) Limitations for health research with restricted data collection from UK primary care. Pharmacoepidemiology and drug safety, 28 (6). pp. 777-787. ISSN 1053-8569 DOI: https://doi.org/10.1002/pds.4765

Chidwick, Kendal; Strongman, Helen; Matthews, Anthony; Stanway, Susannah; Lyon, Alexander R; Smeeth, Liam; Bhaskaran, Krishnan; (2018) Statin use in cancer survivors versus the general population: cohort study using primary care data from the UK clinical practice research datalink. BMC cancer, 18 (1). 1018-. ISSN 1471-2407 DOI: https://doi.org/10.1186/s12885-018-4947-8

Matthews, Anthony; Stanway, Susannah; Farmer, Ruth E; Strongman, Helen; Thomas, Sara; Lyon, Alexander R; Smeeth, Liam; Bhaskaran, Krishnan; (2018) Long term adjuvant endocrine therapy and risk of cardiovascular disease in female breast cancer survivors: systematic review. BMJ (Clinical research ed), 363. k3845-. ISSN 0959-8138 DOI: https://doi.org/10.1136/bmj.k3845

Padmanabhan, Shivani; Carty, Lucy; Cameron, Ellen; Ghosh, Rebecca E; Williams, Rachael; Strongman, Helen; (2018) Approach to record linkage of primary care data from Clinical Practice Research Datalink to other health-related patient data: overview and implications. European journal of epidemiology, 34 (1). pp. 91-99. ISSN 0393-2990 DOI: https://doi.org/10.1007/s10654-018-0442-4

Strongman, Helen; Christopher, Solomon; Majak, Maila; Williams, Rachael; Bahmanyar, Shahram; Linder, Marie; Heintjes, Edith M; Bennett, Dimitri; Korhonen, Pasi; Hoti, Fabian; (2018) Pioglitazone and cause-specific risk of mortality in patients with type 2 diabetes: extended analysis from a European multidatabase cohort study. BMJ open diabetes research & care, 6 (1). e000481-. ISSN 2052-4897 DOI: https://doi.org/10.1136/bmjdrc-2017-000481

Strongman, Helen; Kausar, Imran; Maher, Toby M; (2018) Incidence, Prevalence, and Survival of Patients with Idiopathic Pulmonary Fibrosis in the UK. Advances in therapy, 35 (5). pp. 724-736. ISSN 0741-238X DOI: https://doi.org/10.1007/s12325-018-0693-1

Strongman, Helen; Korhonen, Pasi; Williams, Rachael; Bahmanyar, Shahram; Hoti, Fabian; Christopher, Solomon; Majak, Maila; Kool-Houweling, Leanne; Linder, Marie; Dolin, Paul; +1 more... Heintjes, Edith M; (2017) Pioglitazone and risk of mortality in patients with type 2 diabetes: results from a European multidatabase cohort study. BMJ open diabetes research & care, 5 (1). e000364-. ISSN 2052-4897 DOI: https://doi.org/10.1136/bmjdrc-2016-000364

Korhonen, Pasi; Heintjes, Edith M; Williams, Rachael; Hoti, Fabian; Christopher, Solomon; Majak, Maila; Kool-Houweling, Leanne; Strongman, Helen; Linder, Marie; Dolin, Paul; +1 more... Bahmanyar, Shahram; (2016) Pioglitazone use and risk of bladder cancer in patients with type 2 diabetes: retrospective cohort study using datasets from four European countries. BMJ (Clinical research ed), 354. i3903-. ISSN 0959-8138 DOI: https://doi.org/10.1136/bmj.i3903

Strongman, H; D'Oca, K; Langerman, H; Das, R; (2015) Comparison of diabetes-associated secondary healthcare utilization between alternative oral antihyperglycaemic dual therapy combinations with metformin in patients with type 2 diabetes: an observational cohort study. Diabetes, obesity & metabolism, 17 (6). pp. 573-580. ISSN 1462-8902 DOI: https://doi.org/10.1111/dom.12458 Full text not available from this repository.