Group A

Group B

t

p

volume of bleeding (ml)

76.38 ± 10.59

68.57 ± 8.28

3.4

0.01

time of surgery (min)

61.28 ± 3.54

59.73 ± 3.10

1.92

0.58

preoperative knee mobility

104.23 ± 6.45

104.07 ± 4.03

0.12

0.91

knee joint motion 3 months after operation

124.80 ± 3.54

126.90 ± 1.90

3.21

0.02

preoperative thigh circumference

2.01 ± 0.67

1.78 ± 0.60

1.48

0.14

thigh circumference 3 months after surgery

1.52 ± 0.58

1.31 ± 0.46

1.73

0.09