Open Access
Table II
Description of patients' characteristics and of jaw fractures according to types of hospital.
| Public hospital (n = 64) | Private hospital (n = 78) | P-value | ||
|---|---|---|---|---|
| Age (years) | Mean (SD) | 32.39 (15.38) | 31.63 (16.34) | 0.781 |
| Age in categories (years) | <18 | 7 (10.9) | 8 (10.3) | 0.652 |
| 18–29 | 27 (42.2) | 38 (48.7) | ||
| 30–39 | 12 (18.8) | 12 (15.4) | ||
| >=40 | 18 (28.1) | 20 (25.6) | ||
| Gender, N (%) | Women | 12 (18.8) | 10 (12.8) | 0.333 |
| Men | 52 (81.3) | 68 (87.2) | ||
| Cause of fracture, N (%) | Assault | 31 (48.4) | 49 (62.8) | 0.0074 |
| Fall | 18 (28.1) | 25 (32.1) | ||
| Road traffic accident | 12 (18.8) | 2 (2.6) | ||
| Other | 3 (4.7) | 2 (2.6) | ||
| Polytrauma, N (%) | No | 58 (90.6) | 78 (100) | 0.0074 |
| Yes | 6 (9.4) | 0 (0.0) | ||
| Affected jaw, N (%) | Mandible | 58 (90.6) | 77 (98.7) | 0.0464 |
| Maxilla | 6 (9.4) | 1 (1.3) | ||
| Number of fractures, N (%) | 1 | 28 (43.8) | 34 (43.6) | 0.983 |
| >1 | 36 (56.3) | 44 (56.4) | ||
| Anatomic distribution, N (%) | Angle only | 6 (9.4) | 10 (12.8) | 0.104 |
| Body only | 6 (9.4) | 6 (7.7) | ||
| Condyle only | 8 (12.5) | 8 (10.3) | ||
| Symphysis only | 1 (1.6) | 8 (10.3) | ||
| Angle + body | 5 (7.8) | 6 (7.7) | ||
| Body + condyle | 2 (3.1) | 1 (1.3) | ||
| Symphysis + condyle | 3 (4.7) | 9 (11.5) | ||
| Symphysis + angle | 7 (10.9) | 13 (16.7) | ||
| Condyle + angle | 0 (0.0) | 1 (1.3) | ||
| Body + symphysis | 11 (17.2) | 9 (11.5) | ||
| Bicondyle | 4 (6.3) | 4 (5.1) | ||
| Biangle | 0 (0.0) | 1 (1.3) | ||
| Bisymphysis | 2 (3.1) | 0 (0.0) | ||
| Missing | 9 (14.1) | 2 (2.6) | ||
| Length of stay (days) | Mean (SD) | 2.23 (2.17) | 1.47 (1.13) | 0.021 |
| Length of stay in categories, N (%) | 0 | 10 (15.6) | 4 (5.1) | 0.012 |
| 1 | 12 (18.8) | 43 (55.1) | ||
| 2 | 21 (32.8) | 23 (29.5) | ||
| 3 ou plus | 17 (26.6) | 4 (5.1) | ||
| Missing | 4 (6.3) | 4 (5.1) | ||
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