Fig. 1From: Asymptomatic bacteriuria in older adults: the most fragile women are prone to long-term colonizationStudy flow diagram. Urine samples were collected in two sampling rounds, S1 and S2, each consisting of an initial and a follow-up sample to confirm ABU. Follow-up samples (S1b/S2b) were only requested from participants with possible ABU, i.e. who had a positive urine culture in S1a/S2aBack to article page