Table 3 Comparison of two groups Follow-up results (\(\overline{{\text{x}}}\) ± s/n).

From: Treatment of Pauwels type III femoral neck fracture with medial femoral neck support screw: a biomechanical and clinical study

Groups

Control group

Study group

P values

Screw retreatment rate

17.33% (13/75)

3.57% (2/56)

0.024

Rate of osteonecrosis of the femoral head

9 (9/75)

1 (1/56)

0.043

Fracture healing rate

64 (64/75)

54 (54/56)

0.041

Harris score

72.61 ± 4.612

82.11 ± 4.957

 < 0.001

  1. Independent sample t test was performed on the Harris score and the result showing statistical difference. The Fisher’s exact test was conducted for the Screw retreatment rate, rate of osteonecrosis of the femoral head and fracture healing rate, and the results showing statistical difference.
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