Résumé :
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[BDSP. Notice produite par INIST hRR0xuA2. Diffusion soumise à autorisation]. Coding of medical data according to a suitable classification is useful to epidemiological research in primary care but its implementation at practice-based level may be considered as extra work by participating practitioners. Secondary coding from reported data can be considered as a possible alternative to practice-based coding. The purpose of this study was to assess the inter-rater reliability of report coding versus practice-based coding of morbidity data. Via teleinformatics, 300 French general practitioners from the French Sentinel epidemiological network transmitted in free text, on a continuous real-time basis, the health problems generating each hospital referral they made since August 1997. All these reports were centrally coded according to the International Classification of Primary Care (ICPC). A subsample of 120 reports were coded in local practices for comparison. Codes resulting from blind centralized free-text coding were compared with practice-based codes. For the 120 referrals reported, the K measure of agreement for the number of codes was 0.65 (95% confidence interval [CI]. CI : 0.52-0.77), and for the chapters selected, 0.84 (95% CI : 0.78-0.91). Discrepancies attributable to the centralized coding only occurred for 7.5% of the referrals, and were due to the lack of specificity of the information transmitted as free text. (...)
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