TABLE 1.
Factor | Total | No AE | AE | P |
N | 100 | 78 | 22 | |
Age, mean (SD) | 34 (±12) | 33 (±13) | 35 (±12) | 0.51 |
Sex (%) | 0.14 | |||
Male | 80 (80%) | 65 (83%) | 15 (68%) | |
Female | 20 (20%) | 13 (17%) | 7 (32%) | |
BMI, mean (SD) | 25 (±4) | 25 (±3) | 26 (±5) | 0.24 |
Smoking status (%) | 0.19 | |||
Current smoker | 17 (17%) | 16 (21%) | 1 (5%) | |
Former smoker | 5 (5%) | 4 (5%) | 1 (5%) | |
Nonsmoker | 78 (78%) | 58 (74%) | 20 (91%) | |
Alcohol use (%) | 0.81 | |||
Yes | 58 (59%) | 32 (42%) | 8 (38%) | |
No | 40 (41%) | 45 (58%) | 13 (62%) | |
Diabetes (%) | 0.64 | |||
Yes | 1 (1%) | 1 (1%) | 0 (0%) | |
No | 96 (96%) | 75 (96%) | 21 (96%) | |
Unknown | 3 (3%) | 2 (3%) | 1 (5%) | |
HIV/AIDS status (%) | 0.41 | |||
No | 91 (91%) | 72 (92%) | 19 (86%) | |
Unknown | 9 (9%) | 6 (8%) | 3 (14%) | |
Education completed (%) | 0.96 | |||
None | 3 (3%) | 2 (3%) | 1 (5%) | |
Primary | 44 (44%) | 34 (44%) | 10 (46%) | |
Secondary ordinary | 42 (42%) | 33 (42%) | 9 (41%) | |
Secondary advanced | 1 (1%) | 1 (1%) | 0 (0%) | |
College/university | 10 (10%) | 8 (10%) | 2 (9%) | |
Preinjury work (%)* | 0.78 | |||
Yes | 79 (79%) | 62 (80%) | 17 (77%) | |
No | 21 (21%) | 16 (21%) | 5 (23%) | |
Mechanism of injury (%) | 0.41 | |||
Road traffic injury | 84 (85%) | 67 (87%) | 17 (77%) | |
Fall | 5 (5%) | 3 (4%) | 2 (9%) | |
Crush injury | 5 (5%) | 3 (4%) | 2 (9%) | |
Gunshot | 2 (2%) | 2 (3%) | 0 (0%) | |
Other | 3 (3%) | 2 (3%) | 1 (5%) | |
Injury to debridement, mean days (SD) | 0.88 (0.3) | 0.88 (±0.3) | 0.89 (±0.4) | 0.83 |
Gustilo-Anderson classification (%) | 0.46 | |||
Type I | 3 (3%) | 3 (4%) | 0 (0%) | |
Type II | 22 (22%) | 19 (24%) | 3 (14%) | |
Type IIIA | 75 (75%) | 56 (72%) | 19 (86%) | |
Fixation type (%) | <0.001† | |||
Intramedullary nail | 53 (53%) | 49 (63%) | 4 (18%) | |
External fixation | 46 (46%) | 28 (36%) | 18 (82%) | |
Cast | 1 (1%) | 1 (1%) | 0 (0%) | |
Randomization (%) | 0.34 | |||
Gentamicin | 55 (55%) | 33 (42%) | 12 (55%) | |
Saline | 45 (45%) | 45 (58%) | 10 (46%) | |
Injury to hospital, mean km (SD) | 22 (±24) | 20 (±14) | 32 (±41) | 0.030† |
Includes paid and unpaid work.
Statistically significant.