Factors associated with microhematuria in asymptomatic young men. Clin Chem

The prevalence of asymptomatic microhematuria (two to four or more erythrocytes per high-power field) in 1341 male Air Force personnel was 5.4%. The most powerful predictor of microhematuna (nearly 15-fold increased prevalence) was a history of recurrent microhematuria during the previous five years. Recurrent microscopic hematuna was present in 14.5 % (8/55) of men with a history of urethritis, accounting for 26 % (8/31) of the cases of recurrent microscopic hematuria. The prevalence of microhematuria was not affected by physical exercise, flight duty, or sexual intercourse during the 24 h preceding the urinalysis. AddItional Keyphrases: erythrocytes ‘ urine urethritis Asymptomatic microhematuria is a common diagnostic problem in clinical practice. The prevalence of two to four erythrocytes per high-power-microscopic field varies fro