Table 2 Comparison of intraoperative data between the two groups

Anesthesia mode, n

 General

12

11

χ² = 0.008

0.930

 Regional

24

23

Blood loss (ml)^a

236.94 s± 34.13

182.06 ± 42.23

t = 5.993

< 0.001

Transfusion

 No. of units (u)^a

2.89 ± 0.75

0.71 ± 0.97

t = 10.503

< 0.001

 No. of patients, n

35

12

χ² = 27.655^b

< 0.001

Operative time (minutes)^a

74.89 ± 8.18

54.06 ± 5.78

t = 12.352

< 0.001

Fluoroscopy^a

1.08 ± 1.32

19.29 ± 3.77

t = −26.669

< 0.001