Baseline characteristics of the study population.

Data are presented as n (%) unless otherwise stated. UTI = urinary tract infection, IQR = interquartile range, sd = standard deviation, COPD = chronic obstructive pulmonary disease, BMI = body mass index. a Defined as any functional or anatomical abnormality of the urinary tract except urinary catheter and history of nephrolithiasis. b Defined as ≥2 UTIs in the last 6 months or ≥3 UTIs in the last 12 months. c Eight missing BMI data: 2 in controls, 1 in UTI without bacteremia and 5 in UTI with bacteremia. Baseline characteristics of the study population.