Presence of GO

Gender

Statistical test-Chi-square

Male

Female

GO present

13 (32.5%)

21 (16.9%)

χ² = 4.5: 1 df: P = 0.035 (p < 0.05)

GO absent

27 (67.5%)

103 (83.1%)

χ² yates = 3.56: 1 df: P = 0.59 (p > 0.05)