Table 3.
Logistic regression to evaluate risk factors for reoperation
| No reoperation n = 113a | Reoperation n = 24 | Multivaiable Logistic regression OR (95% CI) p-value | |
|---|---|---|---|
|
Age n (%) | |||
| −80 |
42 (75) |
14 (25) |
1b |
| 81- |
71 (88) |
10 (12) |
0.4 (0.2-1.2) 0.1 |
|
Gender n (%) | |||
| Female |
64 (83) |
13 (17) |
1b |
| Male |
49 (82) |
11 (18) |
1.0 (0.4-2.9) 1.0 |
|
Cognitive dysfunction n (%) | |||
| No |
90 (81) |
21 (19) |
1 b |
| Yes |
23 (89) |
1 (12) |
0.4 (0.1-1.9) 0.3 |
|
Primary fracture type n (%) | |||
| Basicervical |
78 (84) |
15 (16) |
1b |
| Pauwels type 3 |
35 (80) |
9 (21) |
1.1 (0.4-3.2) 0.9 |
|
Displaced fracture n (%) | |||
| No |
32 (97) |
1 (3) |
1 b |
| Yes |
81 (78) |
23 (22) |
11 (1.4-86) 0.02 |
|
Fracture reduction n (%) | |||
| Adequate |
102 (85) |
18 (15) |
1 b |
| Poor |
14 (78) |
4 (22) |
0.6 (0.1-2.3) 0.4 |
|
Implant position n (%) | |||
| Adequate |
102 S(85) |
18 (15) |
1 b |
| Poor | 10 (63) | 6 (38) | 4.1 (1.1-15) 0.04 |
a one patient died before postoperative radiographs were obtained.
b reference.
OR = odds ratio for multivariable Logistic regression.