Table 4. Non-union statistical analyzes.
| Variable | Non-union | p | |
|---|---|---|---|
| No | Yes | ||
| Age (years), mean ± SD | 32.4 ± 8.7 | 44.5 ± 21.9 | 0.577 |
| Sex,n (%) | |||
| Female | 5 (100) | 0 (0) | > 0.999* |
| Male | 33 (94.3) | 2 (5.7) | |
| BMI (Kg/m2), mean SD | 26.5 4.1 | 27.5 1.2 | 0.743 |
| Smoker, n (%) | |||
| No | 30 (93.8) | 2 (6.3) | > 0.999* |
| Yes | 8 (100) | 0 (0) | |
| ASA, n (%) | |||
| I | 23 (95.8) | 1 (4.2) | 0.834# |
| II | 12 (85.7) | 2 (14.3) | |
| III | 2 (100) | 0 (0) | |
| Respiratory complication | |||
| No | 19 (95) | 1 (5) | > 0.999* |
| Yes | 19 (95) | 1 (5) | |
| Fracture side, n (%) | |||
| Right | 20 (90.9) | 2 (9.1) | 0.290# |
| Left | 15 (100) | 0 (0) | |
| Bilateral | 3 (100) | 0 (0) | |
| Comorbidities, n (%) | |||
| No | 29 (96.7) | 1 (3.3) | 0.560* |
| Yes | 9 (90) | 1 (10) | |
| AO/OTA classification, n (%) | |||
| A | 18 (100) | 0 (0) | 0.266# |
| B | 13 (92.9) | 1 (7.1) | |
| C | 7 (87.5) | 1 (12.5) | |
| Gustilo classification, n (%) | |||
| IIIA | 14 (93.3) | 1 (6.7) | > 0.999* |
| IIIB | 1 (100) | 0 (0) | |
| Glasgow coma score, median (min., max.) | 15 (3, 15) | 6 (3, 9) | 0.041£ |
| Serum lactate, mean ± SD | 29.5 ± 2 | 14.5 ± 2.5 | 0.085£ |
| ISS, median (min., max.) | 20.5 (16, 50) | 25.5 (22,29) | 0.885£ |
| Fracture location in the shaft, n (%) | |||
| Proximal | 5 (83.3) | 1 (16.7) | 0.094# |
| Median | 27 (100) | 0 (0) | |
| Distal | 6 (85.7) | 1 (14.3) | |
| Type of nail, n (%) | |||
| Retrograde | 19 (95) | 1 (5) | 0.744# |
| Antegrade | 14 (93.3) | 1 (6.7) | |
| Cephalomedullary | 5 (100) | 0 (0) | |
| Reaming, n (%) | |||
| No | 12 (92.3) | 1 (7.7) | >0.999* |
| Yes | 26 (96.3) | 1 (3.7) | |
| Time to definitive fixation, days | 9.5 ± 4.5 | 34 ± 20 | 0.051£ |
| Time in the ICU, days | 3.0 ± 9.9 | 37.5 ± 17.5 | 0.021£ |
| Time in the hospital, days | 24.5 ± 25.4 | 80.5 ± 57.5 | 0.369£ |
(£)
Student t test,
(*)
Mann-Whitney test,
(#)
Fischer exact test,
Likelihood ratio test.