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[Infectious diseases in primary care]
J M Mendive Arbeloa1, E Vinyoles Bargallo, M Mata Cases
1CAP La Mina, Sant Adrià de Besós, Barcelona.
Objective:
To find the frequency and seasonal variability of the infectious diseases detected over a year.
Design:
Observational prospective study.
Setting:
Primary care centre.
Patients:
Simple multi-stage random sampling of the patients over 14 seen on demand at general medical clinics and the Casualty department between June 1991 and May 1992.
Measurements And Main Results:
Out of 49,193 attendances during the study period, the attendance sample was 2,523, of which 474 (18.8%; CI: 17.3-20.3%) were for infectious conditions. Average age of these 474 was 39 (SD: 19.17); 55% were women. Frequency of respiratory infections was 64.1% (CI: 59.8-68.5%). The correlation coefficient between respiratory infections and the total number of infections was 0.94 (R2 = 0.89). The frequency of infections oscillated between 29% (CI: 23-35%) in February and 10% (CI: 5.8-14.5%) in May.
Conclusions:
Infectious conditions account for a considerable percentage of the total number of primary care attendances. There is a seasonal variation in infections, which is mainly due to respiratory infections.
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