Table 1 Demographics of patients managed operatively (Op group) and non-operatively (Non-Op group) for flail chest injuries
Variable | Included patients | ||
|---|---|---|---|
Op group (n=62) | Non-Op group (n=73) | p-value | |
Sex (n, %) | 0.014 | ||
Male | 45 (72.6) | 65 (89.0) | |
Female | 17 (27.4) | 8 (11.0) | |
Age | 59.1 ± 15.0 | 54.9 ± 16.1 | 0.124 |
Smoker | > 0.05 | ||
No | 18 (36.0) | 17 (44.7) | |
Yes | 17 (34.0) | 6 (15.8) | |
Previous | 14 (28.0) | 14 (36.8) | |
Unknown | 1 (2.0) | 1 (2.6) | |
Lung disease | 0.979 | ||
No | 42 (84.0) | 32 (84.2) | |
Yes | 8 (16.0) | 6 (15.8) | |
MOI (n, %) | |||
MVC | 13 (21.0) | 3 (4.1) | < 0.05 |
Bicycle | 7 (11.3) | 11 (15.1) | > 0.05 |
Motorcycle | 1 (1.6) | 17 (23.3) | < 0.05 |
PVA | 4 (6.5) | 5 (6.8) | > 0.05 |
Fall same level | 11 (17.7) | 3 (4.1) | < 0.05 |
Fall from height | 17 (27.4) | 26 (35.6) | > 0.05 |
Crush injury | 3 (4.8) | 2 (2.7) | > 0.05 |
Assault | 0 (0) | 2 (2.7) | n/a |
Miscellaneous | 6 (9.7) | 4 (5.5) | > 0.05 |
ISS | |||
Median (P5, P95) | 21.0 (9.0, 41.9) | 21.0 (10.0, 48.6) | 0.979 |
NISS | |||
Median (P5, P95) | 34.0 (22.0, 50.0) | 29.0 (17.0, 57.0) | 0.042 |
Head AIS | |||
0 (n, %) | 49 (79.0) | 41 (56.2) | < 0.05 |
1 (n, %) | 5 (8.1) | 9 (12.3) | > 0.05 |
2 (n, %) | 2 (3.2) | 16 (21.9) | < 0.05 |
3 (n, %) | 6 (9.7) | 7 (9.6) | > 0.05 |
Thoracic AIS | |||
3 (n, %) | 23 (37.1) | 44 (60.3) | < 0.05 |
4 (n, %) | 29 (46.8) | 26 (35.6) | > 0.05 |
5 (n, %) | 10 (16.1) | 3 (4.1) | < 0.05 |