Table 8 Prognoses of patients with different internal fixation groups in non-displaced fractures.

From: Comparison between headless cannulated screws and partially threaded screws in femoral neck fracture treatment: a retrospective cohort study

Prognoses

PCS group (n = 20 (58.8%))

HCS group (n = 14 (41.2%))

P value

Screw cut-out rate (n (%))

0 (0.0%)

0 (0.0%)

Angle decrease rate (n (%))

11 (55.0%)

6 (42.9%)

0.486

Femoral neck shortening rate (n (%))

8 (40.0%)

2 (14.3%)

0.141

Screw back-sliding rate (n (%))

7 (35.0%)

2 (14.3%)

0.250

Nonunion rate (n (%))

0 (0.0%)

0 (0.0%)

Femoral head necrosis rate (n (%))

2 (10.0%)

0 (0.0%)

0.501

Harris score (median (IQR))

90 (7.8)

92 (6.0)

0.048

The excellent and good rate of Harris score (n (%))

18 (90.0%)

14 (100.0%)

0.501

  1. IQR stands for interquartile range.