TY - JOUR T1 - Cleaning of the perineal/genital area before urine collection from toilet-trained children prevented sample contamination JF - Evidence Based Medicine JO - Evid Based Med SP - 178 LP - 178 DO - 10.1136/ebm.12.6.178 VL - 12 IS - 6 A2 - , Y1 - 2007/12/01 UR - http://ebm.bmj.com/content/12/6/178.abstract N2 - In toilet-trained children collecting a midstream urine sample, does cleaning of the perineal/genital area before collection prevent sample contamination?Vaillancourt S, McGillivray D, Zhang X, et al. To clean or not to clean: effect on contamination rates in midstream urine collections in toilet-trained children. Pediatrics 2007;119:e1288–93.Clinical impact ratings GP/FP/Primary care ★★★★★★⋆ Paediatrics ★★★★★⋆⋆ Design: cluster randomised (by week) controlled trial.Allocation: not concealed.*Blinding: blinded (microbiologists).*Follow-up period: 48 hours.Setting: emergency department of a tertiary care paediatric centre.Patients: toilet trained children 2–18 years of age (45% 2–5 y, 37% 6–12 y, and 18% 13–18 y; 60% girls) who had a midstream urine sample requested for any medical reason. Children with developmental delay were excluded.Intervention: cleaning of the perineal/genital area twice, using liquid soap and gauze pads (n = 179), or no cleaning (n = 171) before collecting a midstream urine sample in a sterile container. For cleaning, children were … ER -