Table 1. Relation between orbital emphysema, character of fracture and subcutaneous emphysema in isolated medial wall fracture.
|
Orbital emphysema |
P-valuea | ||
|---|---|---|---|
| Absent | Present | ||
| Number of orbits | 278 | 70 | |
| Size of fracture | |||
| small | 87 (31.3%) | 7 (10.0%) | 0.0003 |
| intermediate | 65 (23.4%) | 15 (21.4%) | 0.729 |
| large | 126 (45.3%) | 48 (68.6%) | 0.001 |
| Size of fracture (trend) | 0.0002 | ||
| Type of fracture | |||
| communited | 157 (56.5%) | 49 (70.0%) | 0.040 |
| hinged | 92 (33.1%) | 20 (28.6%) | 0.469 |
| linear | 29 (10.4%) | 1 (1.4%) | 0.016 |
| Type of fracture (trend) | 0.0165 | ||
| Subcutaneous empysema | |||
| abscent | 265 (95.3%) | 7 (10.0) | <0.0001 |
| present | 13 (4.7%) | 63 (90.0%) | <0.0001 |
| Subcutaneous empysema (trend) | <0.0001 | ||
a
Chi square test.