Variation in Use of Penicillin for Treatment of Sinusitis in General Practice

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Abstract
The present study describes the use of phenoxymethylpenicillin and broad-spectrum penicillin for the treatment of sinusitis in general practice, in relation to some variables related to the prescribing doctors: region (county), practice form (single-handed or partnership), and the doctors' seniority (year of graduation). Log-linear analysis was used to make it possible to evaluate the influence of single factors. There was considerable variation between the counties included in the study. Practitioners in partnership practices used phenoxymethylpenicillin more frequently and broad-spectrum penicillin less frequently in the treatment of patients with sinusitis, compared with their colleagues in single-handed practices. Younger practitioners chose broad-spectrum penicillin more frequently and phenoxymethylpenicillin less frequently than their older colleagues. The individual practitioner was rather stable in his choice of drug for the treatment of consecutive patients with the same diagnosis.