Table 5 Prognoses of patients with different internal fixation groups.

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

Prognoses

PCS group (n = 34 (59.6%))

HCS group (n = 23 (40.4%))

P value

Screw cut-out rate (n (%))

0 (0.0%)

5 (21.7%)

0.008

Angle decrease rate (n (%))

20 (58.8%)

7 (30.4%)

0.035

Femoral neck shortening rate (n (%))

18 (52.9%)

6 (26.1%)

0.044

Screw back-sliding rate (n (%))

17 (50.0%)

5 (21.7%)

0.032

Nonunion rate (n (%))

0 (0.0%)

2 (8.7%)

0.159

Femoral head necrosis rate (n (%))

8 (23.5%)

4 (17.4%)

0.744

Harris score (median (IQR))

90 (10)

90 (16)

0.818

Excellent and good rate of Harris score (n (%))

28 (82.4%)

17 (73.9%)

0.443

  1. IQR stands for interquartile range.