In a cohort of close to 200 asymptomatic men, Truzzi et al. showed that a PVR >180 mL is correlated with greater risk for bacteriuria. 37 A subsequent cohort showed an increased mean PVR in patients diagnosed with bacteriuria (113 vs 41 mL, P < 0.001). 38 Chronic renal failure is known to be associated with any PVR, 39 although this has been ....