IOL(D)

例数(n)

构成比

<14.0

3

0.61%

14.0~16.5

8

1.64%

17.0~18.5

13

2.66%

19.0~20.5

53

10.86%

21.0~22.5

136

27.87%

23.0~24.5

152

31.15%

25.0~26.5

85

17.42%

≥27

38

7.79%

合计

488

100%