 For each participant, the nurse that developed the technique filled a spreadsheet with data of the patient. Time was measured by using a stopwatch the same one for all patients that was not used for any purpose but the study. Urine sample was sent to the laboratory where one analyst performed the leukocyte-esterase and nitrite test. The analyst has no knowledge about the technique used on each patient and the result of the urine culture was obtained from hospital database. 