Table 2. Prevalence of hematuria according to age and gendera

All CasesbExcluding UTIcExcluding UTI and Possible Contaminationd
a Data are percent prevalence (95% confidence interval).
b “All cases ”defined as >1+ hematuria on dipstick confirmed by urine microscopy of > 10,000 red blood corpuscles mL or repeat >1+ hematuria on dipstick.
c “Excluding UTI” defined as hematuria excluding cases if hematuria was associated with a urinary tract infection without evidence of proteinuria or renal impairment;
d “Excluding UTI and possible contamination” defined as hematuria excluding cases if hematuria was associated with a urinary tract infection without evidence of proteinuria or renal impairment or was present in women under the age of 50 yr without evidence of proteinuria or renal impairment.
All men2.0 (1.4, 2.6)2.0 (1.4, 2.6)2.0 (1.4, 2.6)
    25 to 44 yr1.3 (0.6, 2.1)1.3 (0.6, 2.1)1.3 (0.6, 2.1)
    45 to 64 yr1.6 (0.8, 2.4)1.6 (0.8, 2.4)1.6 (0.6, 2.4)
    ≥65 yr4.7 (2.9, 6.5)4.7 (2.9, 6.5)4.7 (2.9, 6.5)
All women7.2 (5.8, 8.5)6.7 (5.4, 7.9)3.0 (2.5, 3.4)
    25 to 44 yr7.3 (5.0, 9.5)6.8 (4.6, 8.9)0.5 (0.1, 0.8)
    45 to 64 yr8.2 (6.9, 9.4)7.5 (5.1, 8.8)5.1 (4.2, 6.1)
    ≥65 yr5.3 (3.4, 7.2)5.2 (3.3, 7.1)5.2 (3.3, 7.1)
All subjects4.6 (3.8, 5.4)4.4 (3.6, 5.1)2.5 (2.0, 2.9)
    25 to 44 yr4.3 (3.1, 5.5)4.1 (2.9, 5.2)0.9 (0.5, 1.3)
    45 to 64 yr4.8 (4.0, 5.7)4.5 (3.6, 5.4)3.3 (2.6, 4.0)
    ≥65 yr5.0 (3.7, 6.4)5.0 (3.6, 6.3)5.0 (3.6, 6.3)