病例组(n = 974)

对照组 (n = 985)

OR值

95% CI

P值

I (n = 200)

II (n = 774)

I

II

I

II

I

II

子宫切除

10(5)

75 (9.69)

54 (5.48)

0.907

1.850

0.454~1.814

1.286~2.660

0.783

0.001