ODI score

t value

P value

Before PKP

78.32 ± 9.27

One day after PKP

34.46 ± 4.61*

41.72

0.00

One month after PKP

29.92 ± 3.18*

48.64

0.00

Three months after PKP

37.76 ± 3.70*

42.59

0.00