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Vaccinations, infections and antibacterials in the first grass pollen season of life and risk of later hayfever
10.1111/j.1365-2222.2007.02697.x
Authors: S. Bremner, I. Carey, S. DeWilde, N. Richards, W. Maier, S. Hilton, D. Strachan, D. Cook |
| 2019 |
Validated methods to identify patients with asthma-COPD overlap in healthcare databases: a systematic review protocol
10.1136/bmjopen-2018-024306
Authors: J. Amegadzie, O. Badejo, J. Gamble, M. Wright, J. Farrell, B. Jackson, K. Sultana, M. Hashmi, Z. Gao |
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Validating childhood asthma in an epidemiological study using linked electronic patient records
10.1136/bmjopen-2014-005345
Authors: R. Cornish, J. Henderson, A. Boyd, R. Granell, T. Van Staa, J. Macleod |
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Validating the effects of drug treatment on blood pressure in the General Practice Research Database
10.1002/pds.1553
Authors: J. Delaney, E. Moodie, S. Suissa |
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Validation and validity of diagnoses in the General Practice Research Database: a systematic review
10.1111/j.1365-2125.2009.03537.x
Authors: E. Herrett, S. Thomas, W. Schoonen, L. Smeeth, A. Hall |
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Validation of asthma recording in the Clinical Practice Research Datalink (CPRD)
10.1136/bmjopen-2017-017474
Authors: F. Nissen, D. Morales, H. Mullerova, L. Smeeth, I. Douglas, J. Quint |
| 2017 |
Validation of autism spectrum disorder diagnoses recorded in the Clinical Practice Research Datalink, 1990-2014
10.2147/clep.s139107
Authors: K. Hagberg, S. Jick |
| 2018 |
Validation of Cancer Cases Using Primary Care, Cancer Registry, and Hospitalization Data in the United Kingdom
10.1097/ede.0000000000000786
Authors: A. Margulis, J. Fortuny, J. Kaye, B. Calingaert, M. Reynolds, E. Plana, L. McQuay, W. Atsma, B. Franks, S. de Vogel, S. Perez-Gutthann, A. Arana |
| 2020 |
Validation of cardiovascular outcomes and risk factors in the Clinical Practice Research Datalink in the United Kingdom
10.1002/pds.5150
Authors: A. Arana, A. Margulis, C. Varas-Lorenzo, C. Bui, A. Gilsenan, L. McQuay, M. Reynolds, C. Rebordosa, B. Franks, S. de Vogel, K. Appenteng, S. Perez-Gutthann |
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Validation of chronic obstructive pulmonary disease recording in the Clinical Practice Research Datalink (CPRD-GOLD)
10.1136/bmjopen-2014-005540
Authors: J. Quint, H. Mullerova, R. DiSantostefano, H. Forbes, S. Eaton, J. Hurst, K. Davis, L. Smeeth |
| 2018 |
Validation of hip osteoarthritis diagnosis recording in the UK Clinical Practice Research Datalink
10.1002/pds.4673
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Validation of information recorded on general practitioner based computerised data resource in the United Kingdom
Authors: H. Jick, S. Jick, L. Derby |
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Validation of neural tube defects in the full featured\textendashgeneral practice research database
10.1002/pds.1573
Authors: S. Devine, S. West, E. Andrews, P. Tennis, S. Eaton, J. Thorp, A. Olshan |
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Validation of Stevens-Johnson syndrome or toxic epidermal necrolysis diagnoses in the Clinical Practice Research Datalink
10.1002/pds.4124
Authors: N. Frey, A. Bircher, M. Bodmer, S. Jick, C. Meier, J. Spoendlin |
| 2013 |
Validation of suicide and self-harm records in the Clinical Practice Research Datalink
10.1111/bcp.12059
Authors: K. Thomas, N. Davies, C. Metcalfe, F. Windmeijer, R. Martin, D. Gunnell |
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Validation of the diagnosis of autism in general practitioner records
10.1186/1471-2458-4-5
Authors: E. Fombonne, L. Heavey, L. Smeeth, L. Rodrigues, C. Cook, P. Smith, L. Meng, A. Hall |
| 2000 |
Validation of the diagnosis of venous thromboembolism in general practice database studies
Authors: R. Lawrenson, J. Todd, G. Leydon, T. Williams, R. Farmer |
| 2016 |
Validation of the Recording of Acute Exacerbations of COPD in UK Primary Care Electronic Healthcare Records
10.1371/journal.pone.0151357
Authors: K. Rothnie, H. Mullerova, J. Hurst, L. Smeeth, K. Davis, S. Thomas, J. Quint |
| 2023 |
Validation of the recording of idiopathic pulmonary fibrosis in routinely collected electronic healthcare records in England
10.1186/s12890-023-02550-0
Authors: A. Morgan, R. Gupta, P. George, J. Quint |
| 2020 |
Validation study of bullous pemphigoid and pemphigus vulgaris recording in routinely collected electronic primary healthcare records in England
10.1136/bmjopen-2019-035934
Authors: M. Persson, K. Harman, Y. Vinogradova, S. Langan, J. Hippisley-Cox, K. Thomas, S. Gran |
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Validity and completeness of the General Practice Research Database for studies of inflammatory bowel disease
10.1002/pds.698
Authors: J. Lewis, C. Brensinger, W. Bilker, B. Strom |
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Validity and interpretation of spirometric recordings to diagnose COPD in UK primary care
10.2147/copd.s133891
Authors: K. Rothnie, J. Chandan, H. Goss, H. Mullerova, J. Quint |
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Validity of an algorithm to identify cardiovascular deaths from administrative health records: a multi-database population-based cohort study
10.1186/s12913-021-06762-0
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| 2021 |
Validity of bariatric surgery codes in the UK Clinical Practice Research Datalink (CPRD) GOLD compared with Hospital Episodes Statistics
10.1002/pds.5221
Authors: T. Burkard, M. Rauch, S. Jick, C. Meier |
| 2012 |
Validity of cancer diagnosis in a primary care database compared with linked cancer registrations in England. Population-based cohort study
10.1016/j.canep.2012.05.013
Authors: A. Dregan, H. Moller, T. Murray-Thomas, M. Gulliford |
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Validity of diagnoses in the general practice research database
10.3399/bjgp11X583092
Authors: E. Herrett, S. Thomas, L. Smeeth |
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Validity of diagnostic codes to identify hospitalizations for infections among patients treated with oral anti-diabetic drugs
10.1002/pds.4368
Authors: M. Saine, M. Gizaw, D. Carbonari, C. Newcomb, J. Roy, S. Cardillo, D. Esposito, H. Bhullar, A. Gallagher, B. Strom, V. Re |
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Validity of diagnostic coding within the General Practice Research Database: a systematic review
10.3399/bjgp10X483562
Authors: N. Khan, S. Harrison, P. Rose |
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Validity of estimated prevalence of decreased kidney function and renal replacement therapy from primary care electronic health records compared with national survey and registry data in the United Kingdom
10.1093/ndt/gfw318
Authors: M. Iwagami, L. Tomlinson, K. Mansfield, A. Casula, F. Caskey, G. Aitken, S. Fraser, P. Roderick, D. Nitsch |
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Validity of non-fatal idiopathic serious ventricular arrhythmia in UK-based Clinical Practice Research Datalink
10.1002/pds.3664
Authors: L. Li, S. Setoguchi, S. Jick |
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Validity of smoking prevalence estimates from primary care electronic health records compared with national population survey data for England, 2007 to 2011
10.1002/pds.3537
Authors: H. Booth, A. Prevost, M. Gulliford |
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Validity of the general practice research database
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| 2023 |
Valsartan, Losartan and Irbesartan use in the USA, UK, Canada and Denmark after the nitrosamine recalls: a descriptive cohort study
10.1136/bmjopen-2022-070985
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Value of Free-text Comments for Validating Cancer Cases Using Primary-care Data in the United Kingdom
10.1097/ede.0000000000000856
Authors: A. Margulis, J. Fortuny, J. Kaye, B. Calingaert, M. Reynolds, E. Plana, L. McQuay, W. Atsma, B. Franks, S. de Vogel, S. Perez-Gutthann, A. Arana |
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Varenicline and suicidal behaviour: a cohort study based on data from the General Practice Research Database
10.1136/bmj.b3805
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Varenicline versus nicotine replacement therapy for long-term smoking cessation: an observational study using the Clinical Practice Research Datalink
10.3310/hta24090
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Variability in Glycated Hemoglobin and Risk of Poor Outcomes Among People With Type 2 Diabetes in a Large Primary Care Cohort Study
10.2337/dc19-0848
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Variability in risk of gastrointestinal complications with individual non-steroidal anti-inflammatory drugs: results of a collaborative meta-analysis
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Variability of antibiotic prescribing in patients with chronic obstructive pulmonary disease exacerbations: a cohort study
10.1186/1471-2466-13-32
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Variation in Cardiovascular Risk Related to Individual Antimuscarinic Drugs Used to Treat Overactive Bladder: A UK Cohort Study
10.1002/phar.2121
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Variation in laboratory testing for patients with long-term conditions: a longitudinal cohort study in UK primary care
10.3399/bjgpo.2022.0139
Authors: T. Jones, R. Patel, M. Elwenspoek, J. Watson, E. Mann, K. Alsop, P. Whiting |
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Variation in the Association between Antineoplastic Therapies and Venous Thromboembolism in Patients with Active Cancer
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Variation in the risk of venous thromboembolism following colectomy
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Variation in the risk of venous thromboembolism in people with colorectal cancer: a population-based cohort study from England
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Variations in antibiotic prescribing and consultation rates for acute respiratory infection in UK general practices 1995-2000
Authors: M. Ashworth, J. Charlton, K. Ballard, R. Latinovic, M. Gulliford |
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Venous leg ulcer: incidence and prevalence in the elderly
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Venous thromboembolism and combined oral contraceptives: does the type of progestogen make a difference?
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Venous thromboembolism and cyproterone acetate in men with prostate cancer: a study using the General Practice Research Database
10.1111/j.1464-410X.2007.06859.x
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Venous thromboembolism and mortality in breast cancer: cohort study with systematic review and meta-analysis
10.1186/s12885-017-3719-1
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Venous thromboembolism associated with cyproterone acetate in combination with ethinyloestradiol (Dianette): observational studies using the UK General Practice Research Database
10.1002/pds.896
Authors: H. Seaman, C. de Vries, R. Farmer |
