|
Age (years)
|
|
Median (range)
|
66.4(65–71)
|
66.7(65–72)
|
0.206
|
|
Sex, no. %
| | |
0.909
|
|
Female
|
55(47.4)
|
56(46.7)
| |
|
Male
|
61(52.6)
|
64(53.3)
| |
|
BMI (kg/m2)
|
|
Median (range)
|
24.5(16.7–31.3)
|
24.2(16.1–32.8)
|
0.325
|
|
BMD
|
-3.61 ± 0.72
|
-3.64 ± 0.76
|
0.281
|
|
Side, no.%
| | |
0.443
|
|
Right
|
58(50.0)
|
54(45.0)
| |
|
Left
|
58(50.0)
|
66(55.0)
| |
|
Hip condition prior to conversion, no.%
| | |
0.869
|
|
Symptomatic
|
66(56.9)
|
67(55.8)
| |
|
asymptomatic
|
50(43.1)
|
53(44.2)
| |
|
Femoral head size (mm), no. %
| | |
0.945
|
|
28
|
23(19.8)
|
26(21.7)
| |
|
32
|
44(37.9)
|
41(34.1)
| |
|
36
|
49(42.2)
|
53(44.2)
| |
|
IHFs, AO/OTA, no. %
| | |
0.543
|
|
31A1
|
48(41.4)
|
45(37.5)
| |
|
31A2
|
68(58.6)
|
75(62.5)
| |
|
Charlson comorbidity index at surgery, no. %
| | |
0.717
|
|
Low
|
42(36.2)
|
45(37.5)
| |
|
Medium
|
57(49.1)
|
60(50.0)
| |
|
High
|
17(14.7)
|
15(12.5)
| |
|
Reasons for conversion, no. %
| | |
0.459
|
|
Instability
|
55(47.4)
|
63(52.5)
| |
|
Mechanical failure
|
45(38.8)
|
42(35.0)
| |
|
Both
|
16(13.8)
|
15(12.5)
| |
|
Conversion interval (years)
| | |
0.644
|
|
< 2
|
74(63.8)
|
80(66.7)
| |
|
≥ 2
|
42(36.2)
|
40(33.3)
| |
|
Follow-up (months)
| | | |
|
Median (range)
|
120.2(102–127)
|
120.1(101–127)
|
0.219
|
