Table 1 Basic information of the participants

Age (year)

69.08 ± 5.62

67.57 ± 7.34

Gender*

 Male

16(15.8%)

22(21.8%)

 Female

85(84.2%)

79(78.2%)

Surgical site*

 left

45(44.6%)

51(50.5%)

 right

56(55.4%)

50(49.5%)

Surgical time(min)

111.6 ± 18.6

86.4 ± 19.2

BMI

27.20 ± 3.79

27.29 ± 3.93

 height(cm)

160.89 ± 6.57

160.46 ± 6.93

 weight(kg)

70.55 ± 11.42

70.47 ± 12.38