Figure 3From: Chronic asymptomatic pyuria precedes overt urinary tract infection and deterioration of renal function in autosomal dominant polycystic kidney disease Comparison of ΔeGFR according to the occurrence of overt UTI and pyuria type. To Evaluate the effects of asymptomatic pyuria and overt UTI on ΔeGFR, the incidence of UTI and the pyuria type divided into 3 groups. Group AUTI-, non-pyuria or transient pyuria without an overt UTI episode; group BUTI-, recurrent or persistent pyuria without overt UTI; overt UTI, at least one episode of UTI. UTI, urinary tract infection.Back to article page