Table 1 Comparison of baseline characteristics between the two groups

Number

23

23

–

Age (years)

53.60 ± 7.59

57.00 ± 8.88

0.150^a

Gender (M/ F)

7/16

8/15

0.753^b

BMI

23.90 ± 2.21

23.40 ± 2.99

0.454^a

Duration of pain (months)

14.50 (12.00, 18.00)

12.00 (8.75, 20.50)

0.278^c

Affected knee (left/right)

14/12

12/14

0.579^b

K-L classification (II/III)

12/14

11/15

0.780^b

WOMAC score

67.27 ± 4.46

65.38 ± 4.28

0.126^a

VAS score

6.00 (5.00, 6.00)

6.00 (5.00, 6.00)

0.729^c

Lysholm score

65.12 ± 6.18

63.27 ± 4.20

0.214^a