Table 1 Patients’ characteristics (BMI: body mass index).
Refractures(n = 23) | No refracture(n = 329) | p-value | |
|---|---|---|---|
Female n(%) | 11(47.8%) | 95(28.9%) | 0.055 |
Male n(%) | 12(52.2%) | 234(71.1%) | |
Age | |||
< 50 | 8(5.2%) | 146(94.8%) | 0.370 |
>=50 | 15(7.6%) | 183(92.4%) | |
BMI | |||
< 18.5 | 0(0%) | 9(100%) | 0.795 |
>=18.5&<24 | 13(7.0%) | 172(93%) | |
>=24&<28 | 9(6.8%) | 125(93.2%) | |
>=28 | 1(3.8%) | 25(96.2%) | |
Tobacco use, n (%) | 3(13.0%) | 14(4.3%) | 0.091 |
Alcohol use, n (%) | 2(8.7%) | 7(2.1%) | 0.111 |
Diabetes mellitus, n (%) | 3(13.0%) | 32(9.7%) | 0.607 |
Left-sided procedure, n (%) | 9(39.1%) | 161(48.9%) | 0.363 |
Concurrent injuries, n (%) | 3(13.0%) | 51(15.5%) | 0.752 |
Robinson classification | < 0.001 | ||
2A | 2(2.9%) | 66(97.1%) | |
2B1 | 4(1.9%) | 210(98.1%) | |
2B2 | 17(24.3%) | 53(75.7%) | |
Lock plate use,n(%) | 19(82.6%) | 280(85.1%) | 0.762 |
Interfragmentary screws used n(%) | 12(52.2%) | 148(45.0%) | 0.523 |
Fair/poor reduction n(%) | 16(69.6%) | 45(13.7%) | < 0.001 |
Delayed union or malunion n(%) | 9(39.1%) | 25(7.6%) | < 0.001 |
Mean interval between fixation and removal (weeks) | 62.48 | 67.65 | 0.268 |
Interval stratification n (%) | 0.620 | ||
<=12 months | 4(11.8%) | 30(88.2%) | |
> 12&<=18 months | 13(6.3%) | 194(93.7%) | |
> 18 &<=24 months | 4(5.4%) | 70(94.6%) | |
> 24 months | 2(5.4%) | 35(94.6%) |