期刊
JOURNAL OF CLINICAL EPIDEMIOLOGY
卷 63, 期 6, 页码 672-678出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.jclinepi.2009.08.019
关键词
Birth records; Cesarean section; Hospital records; International classification of diseases; Medical record linkage; Reliability and validity; Vaginal birth after Cesarean
资金
- Australian National Health and Medical Research Council (NHMRC)
Objective: The aim of this study was to demonstrate the feasibility of using linked health records to assess data quality in population health data. Study Design and Setting: Reproductive histories of 155,897 women were constructed by longitudinal linkage of the New South Wales (Australia) birth records in 1998-2005, and 127,952 birth and hospital discharge records in 2000-2005 were cross-sectionally linked. History of Cesarean section (CS) derived from the longitudinal linkage (gold standard) was used to validate the CS history fields (i.e., Was the last birth by Cesarean section? and Total number of previous Cesarean sections?) in birth records and to validate vaginal birth after previous Cesarean (VBAC) and maternal care for uterine scar in hospital records. Results: The reporting of CS at last birth was reliable with sensitivity, specificity, positive predictive value (PPV), and negative predictive value all >95% as was the number of previous CS (weighted kappa = 0.97). For the hospital data, sensitivity and PPV were 46% and 99% for VBAC, 92% and 99% for maternal care of uterine scar, and 85% and 99%, respectively, for any prior CS. Conclusion: Assessing data quality by record linkage is feasible and can be done more quickly and cheaply than by any traditional validation study. (C) 2010 Elsevier Inc. All rights reserved.
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