Table 1 Intergroup comparisons of the incidence of Hematuria.

From: Higher incidence of hematuria was observed in female children with microtia

Age and sex groups

Microtia

Pigmented nevus

P

95%CI

OR

All children

7037

2410

Hematuria ( +)

170 (2.42%)

44 (1.83%)

0.093

0.537–1.050

2.956

Girls

1652

1259

Hematuria ( +)

68 (4.12%)

28 (2.22%)

0.005

0.339–0.828

8.324

Males

5385

1151

Hematuria ( +)

102 (1.89%)

16 (1.39%)

0.244

0.274–0.147

1.451