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Table 2 Results of the intraoperative indices (x ± s) for the three-point group and the routine group (x ± s) and the comparison results

From: Comparison of two methods of locating proximal femoral nail anti-rotation in the treatment of femoral intertrochanteric fractures

Indicators

Three-point group

Conventional group

T

P

Total operation time (min)

59.34 ± 9.42

67.61 ± 12.63

3.560

< 0.01

Time to set the spiral blade (min)

4.58 ± 1.25

7.82 ± 2.19

8.671

< 0.01

Bleeding volume (ml)

92.78 ± 34.09

154.01 ± 39.10

7.922

< 0.01

Number of perspective for spiral blade

8.84 ± 1.45

14.62 ± 2.91

11.903

< 0.01

Apex distance (mm)

16.78 ± 1.55

21.91 ± 3.01

10.182

< 0.01