Table 3. Deep infection statistical analyzes.
| Variable | Deep infection | p | |
|---|---|---|---|
| No | Yes | ||
| Age (years), mean ± SD | 33.3 ± 9.7 | 28.8 ± 6.5 | 0.423 |
| Sex, n (%) | |||
| Female | 4 (80) | 1 (20) | 0.338* |
| Male | 33 (94.3) | 2 (5.7) | |
| BMI (Kg/m2), mean ± SD | 26.8 ± 4 | 24 ± 2.7 | 0.253 |
| Smoker, n (%) | |||
| No | 29 (90.6) | 3 (9.4) | > 0.999* |
| Yes | 8 (100) | 0 (0) | |
| ASA, n (%) | |||
| I | 23 (95.8) | 1 (4.2) | 0.469# |
| II | 12 (85.7) | 2 (14.3) | |
| III | 2 (100) | 0 (0) | |
| Respiratory complication | |||
| No | 18 (90) | 2 (10) | > 0.999* |
| Yes | 19 (95) | 1 (5) | |
| Fracture side, n (%) | |||
| Right | 21 (95.5) | 1 (4.5) | 0.498# |
| Left | 13 (86.7) | 2 (13.3) | |
| Bilateral | 3 (100) | 0 (0) | |
| Comorbidities, n (%) | |||
| No | 27 (90) | 3 (10) | 0.560* |
| Yes | 10 (100) | 0 (0) | |
| AO/OTA classification, n (%) | |||
| A | 17 (94.4) | 1 (5.6) | 0.349# |
| B | 12 (85.7) | 2 (14.3) | |
| C | 8 (100) | 0 (0) | |
| Gustilo classification, n (%) | |||
| IIIA | 14 (93.3) | 1 (6.7) | > 0.999* |
| IIIB | 1 (100) | 0 (0) | |
| Glasgow coma score, n (%) | 0.461 £ | ||
| Serum lactate, median (min., max.) | 29 (18; 43) | 12 (6, 40) | 0.136£ |
| ISS, median (min., max.) | 21 (17.5, 26.5) | 22 (16, 28) | 0.885£ |
| Fracture location in the shaft, n (%) | |||
| Proximal | 5 (83.3) | 1 (16.7) | 0.439# |
| Median | 25 (92.6) | 2 (7.4) | |
| Distal | 7 (100) | 0 (0) | |
| Type of nail, n (%) | 0.452 # | ||
| Retrograde | 19 (95) | 1 (5) | |
| Antegrade | 13 (86.7) | 2 (13.3) | |
| Cephalomedullary | 5 (100) | 0 (0) | |
| Reaming, n (%) | 0.242 * | ||
| No | 11 (84.6) | 2 (15.4) | |
| Yes | 26 (96.3) | 1 (3.7) | |
| Time to definitive fixation, days | 10 (6, 13) | 13 (8, 15) | 0.492£ |
| Time in the ICU, days median (min., max.) | 3 (0, 6) | 7 (0, 10) | 0.626£ |
| Time in the hospital, days median (min., max.) | 24 (16, 37) | 41 (23, 54) | 0.251£ |
(£)
Student t test,
(*)
Mann-Whitney test,
(#)
Fischer exact test,
Likelihood ratio test.