优(n = 48)

良(n = 59)

中(n = 15)

P

年龄(岁)

62.6 ± 7.6

63.3 ± 9.1

66.9 ± 12.2

0.282

性别：女

33 (68.8)

37 (62.7)

8 (53.3)

0.535

BMI (kg/m²)

27.1 ± 2.9

27.8 ± 3.8

28.5 ± 4.4

0.366

软骨损伤评分

15 (8, 20)

23 (18, 25)

27 (25, 28)

<0.01

BML

2 (1, 4.8)

5 (2, 8)

6 (3, 10)

<0.01

术前HKA (˚)

5.3 ± 3.4

8 ± 4.2

12 ± 4.8

<0.01

MME

0.4 (0.2, 0.6)

0.6 (0.6, 0.7)

0.7 (0.6, 1)

<0.01

症状持续时间(年)

4 (2, 10)

6 (2, 10)

6 (2, 10)

0.877

JSW (mm)

3.9 (3.0, 5.2)

1.8 (1.3, 3.1)

1.4 (0.7, 1.8)

<0.01

半月板损伤评分

4 (2, 6)

5 (3, 7)

6 (4, 8)

0.039

K-L分级

<0.01

2

30 (62.5)

9 (15.3)

0

3

16 (33.3)

22 (37.3)

2 (13.3)

4

2 (4.2)

28 (47.5)

13 (86.7)