Mirón Canelo J A, Fresnadillo Martínez M J, Sáenz González M C
Departamento de Medicina Preventiva, Salud Pública y Microbiología Médica, Facultad de Medicina, Salamanca.
Aten Primaria. 1997 Mar 15;19(4):195-8.
To assess requests for microbiological analysis made by Primary Care doctors and to evaluate the quality of the procedure by the indicator: proportion of contaminated urine samples.
A retrospective crossover study of requests to the Microbiology Laboratory in the University Hospital of Salamanca during 1995.
The study covered the Salamanca Health Area, which consists of 35 Health Centres and a catchment population of 358,408.
The requests for microbiological diagnosis and results of the 43,317 samples processed were analysed.
The data was distributed according to care level and the Area's Health Centres.
9,574 (22%) of the total number of samples received turned out positive, 27.4% of the requests originated in Primary Care (PC). The overall request rate from PC was 33 per 1,000 inhabitants.
The microbiological analysis most frequently requested from PC is urine culture. Relationship between request and positives is 4 to 1.
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