| Factor | No of included studies | Pooled AOR (95% CI) | I2 (p-value) | Reference category |
---|---|---|---|---|---|
1 | Age > 50 | 4 | 3.51 ( 1.19, 10.35) | 84.25% (0.02) | Age < 20 |
2 | Time between injury and admission 2–6 h | 3 | 3.91 (2.04, 7.51) | 0.00% (< 0.001) | < 2 hors |
3 | Associated injury head and neck | 3 | 6.28 (3.00, 13.15) | 25.88% (< 0.001) | Extremities |
4 | Spinal injury (yes, No) | 2 | 7.86 (3.02, 19.51) | 0.00% (< 0.001) | No |
5 | Comorbidity | 2 | 5.24 (2.93, 9.40) | 0.00% (< 0.001) | No |
6 | Associated injury (yes, No | 3 | 7.59 (3.12, 18.45) | 66.23% (< 0.001) | No |
7 | Cardiac injury | 2 | 5.02 (2.62, 9.68) | 0.00% (< 0.001) | No |
8 | ICU needed | 2 | 13.73 (9.59, 19.66) | 0.00%(< 0.001) | No |
9 | Injury severity score (increased) | 3 | 3.5 (10.6, 11.60) | 88.21%(0.04) | Decreased |