|
Variable
|
AVNFH (n = 135)
|
Control (n = 142)
|
P - value
|
|---|
|
HHS
|
76.9 ± 6.65
|
79.2 ± 10.0
|
0.02*a
|
|
Garden classification
| | |
0.73*b
|
|
I
|
30
|
35
| |
|
II
|
28
|
37
| |
|
III
|
53
|
43
| |
|
IV
|
24
|
27
| |
|
Injury operation interval
| | |
0.93*b
|
|
< 24 h
|
21
|
25
| |
|
24–48 h
|
39
|
48
| |
|
48–72 h
|
41
|
32
| |
|
> 72 h
|
34
|
37
| |
|
Weight-bearing activity time (<8 months/≥8 months)
|
46/89
|
50/92
|
0.84*c
|
|
Mechanical failure
|
17.8% (24/135)
|
8.9% (13/142)
|
0.04c
|
-
*Not statistically significant. aAnalysed using an Independent-Samples t-test; bAnalysed using the Mann-Whitney test; cAnalysed using the Chi-square test. AVNFH Avascular necrosis of the femoral head, HHS Harris Hip Score
