Table 1 Clinical scores

WOMAC (0-100)

higher scores indicates difficulties

Pain

14.8 ± 19.4 (0-70)

16.4 ± 24.1 (0-86)

0.74

Stiffness

15.2 ± 17.2 (0-60)

21.1 ± 24.7 (0-90)

0.22

Function

18 ± 18.2 (0-61)

21.3 ± 23.7 (0-84))

0.49

KSS (0-100)

0 poor- 100 excellent

Knee

78.8 ± 18.9 (37-100)

91 ± 11.0 (54-100)

0.0007

Function

78.2 ± 21.1 (25-100)

87.8 ± 48.3 (35-100)

0.25

Lequesne (0-8)

1 mild, > 14 severe discomfort

Pain or discomfort

2 ± 1.8 (0-6)

2.1 ± 1.8 (0-8)

0.61

Maximum distance walked

1.4 ± 1 (0-5)

1.4 ± 1 (0-5)

0.21

Activities of daily living

2 ± 1.7 (0-7)

2.4 ± 2.3 (0-8)

0.21

UCLA (1-10)

1 low-10 high activity

5.7 ± 1.2 (2-7)

5..3 ± 1.4 (2-7)

0.16

Feller's Patellar Score (3-30)

3 poor- 30 excellent

25.9 ± 6.2 (6-30)

26.5 ±4.8 (11-30)

0.61

SF-36 (0-100)

0 poor-100 good health

Physical functioning

64.3 ± 28.9 (0-100)

56.1 ±3 1 (10-100)

0.22

Role-physical

59.8 ± 44.7 (0-100)

58.5 ± 45.6 (0-100)

0.90

Pain index

59.9 ± 20.4 (12-100)

52.4 ± 23.1 (20-82)

0.12

General health perception

67.1 ± 21.7 (10-107)

69.3 ± 24.1 (30-107)

0.66

Vitality

58.7 ± 20.2 (0-95)

52.6 ± 26.4 (10-100)

0.24

Social functioning

63.4 ± 20.8 (0-875)

58.5 ± 18.4 (25-87)

0.26

Role-emotional

77.2 ± 37.6 (0-100)

69.1 ± 43.7 (0-100)

0..37

Mental health index

75.1 ± 18.3 (0-96)

67.7 ± 24.1 (8-100)

0.12