November 1, 2002Open Access

Value of ICD-9-Coded Chief Complaints for Detection of Epidemics

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Abstract

To assess the value of ICD-9-coded chief complaints for early detection of epidemics, we measured sensitivity, positive predictive value, and timeliness of Influenza detection using a respiratory set (RS) of ICD-9 codes and an Influenza set (IS). We also measured inherent timeliness of these data using the cross-correlation function.

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Fu Chiang Richard Tsui (Fri,) studied this question.

synapsesocial.com/papers/6a141e207753e742da59b3c6 https://doi.org/https://doi.org/10.1197/jamia.m1224

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