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Sarcoptes scabiei in a sexually transmitted infections unit: a 15-year study
Luis Otero1, José A Varela, Emma Espinosa
1Servicio de Microbiología, Hospital de Cabueñes, Gijón, Spain.
Background:
Few epidemiologic studies of scabies in sexually transmitted infection (STI) unit attenders exist.
Goal:
The goal of this study was to determine epidemiology and trends of infestation among attenders at a Spanish STI unit.
Study:
A prospective 15-year (1988-2002) study was conducted of 9751 STI unit attenders, investigating scabies and other STIs.
Results:
One hundred forty-seven patients (1.5%) had scabies, which was more frequent in males (2.1%, 73 of 3623) than in females (1.2%, 72 of 6128) (P <0.001). Infestation peaked in autumn/winter (70.1%) versus spring/summer (29.9%) (P <0.001). Significantly more cases occurred in single men (P <0.05), males under 35 (P <0.05), men with sporadic sexual contacts (P <0.001), and men who have sex with men (MSM) (P <0.001). In women, more cases occurred in Spanish patients (P <0.01), high alcohol users (P <0.05), and oral contraceptive users (P <0.01). In both sexes, scabies was commoner in smokers (P <0.05) and parenteral drug abusers (P <0.001). Scabies showed no significant association with other STIs.
Conclusions:
Scabies incidence has been stable, with autumn and winter peaks. Infestation is associated with lifestyle, MSM, and males with sporadic sexual contact.
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