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- Title
Validation of the Hospital Episode Statistics Outpatient Dataset in England.
- Authors
Thorn, Joanna; Turner, Emma; Hounsome, Luke; Walsh, Eleanor; Donovan, Jenny; Verne, Julia; Neal, David; Hamdy, Freddie; Martin, Richard; Noble, Sian; Thorn, Joanna C; Donovan, Jenny L; Neal, David E; Hamdy, Freddie C; Martin, Richard M; Noble, Sian M
- Abstract
<bold>Objectives: </bold>The Hospital Episode Statistics (HES) dataset is a source of administrative 'big data' with potential for costing purposes in economic evaluations alongside clinical trials. This study assesses the validity of coverage in the HES outpatient dataset.<bold>Methods: </bold>Men who died of, or with, prostate cancer were selected from a prostate-cancer screening trial (CAP, Cluster randomised triAl of PSA testing for Prostate cancer). Details of visits that took place after 1/4/2003 to hospital outpatient departments for conditions related to prostate cancer were extracted from medical records (MR); these appointments were sought in the HES outpatient dataset based on date. The matching procedure was repeated for periods before and after 1/4/2008, when the HES outpatient dataset was accredited as a national statistic.<bold>Results: </bold>4922 outpatient appointments were extracted from MR for 370 men. 4088 appointments recorded in MR were identified in the HES outpatient dataset (83.1%; 95% confidence interval [CI] 82.0-84.1). For appointments occurring prior to 1/4/2008, 2195/2755 (79.7%; 95% CI 78.2-81.2) matches were observed, while 1893/2167 (87.4%; 95% CI 86.0-88.9) appointments occurring after 1/4/2008 were identified (p for difference <0.001). 215/370 men (58.1%) had at least one appointment in the MR review that was unmatched in HES, 155 men (41.9%) had all their appointments identified, and 20 men (5.4%) had no appointments identified in HES.<bold>Conclusions: </bold>The HES outpatient dataset appears reasonably valid for research, particularly following accreditation. The dataset may be a suitable alternative to collecting MR data from hospital notes within a trial, although caution should be exercised with data collected prior to accreditation.
- Subjects
ENGLAND; ELECTRONIC health records; BIG data; DATABASES; MEDICAL records; CLINICAL trials; OUTPATIENT medical care; PROSTATE cancer prognosis; PROSTATE tumors treatment; PROSTATE tumors; HOSPITAL statistics; COMPARATIVE studies; ECONOMICS; EXPERIMENTAL design; RESEARCH methodology; MEDICAL appointments; MEDICAL cooperation; PATIENTS; RESEARCH; RESEARCH funding; EVALUATION research
- Publication
PharmacoEconomics, 2016, Vol 34, Issue 2, p161
- ISSN
1170-7690
- Publication type
journal article
- DOI
10.1007/s40273-015-0326-3