Table 4 Clinical factors related to lower extremity primary amputation based on multivariate analysis
From: Impact of establishing a level-1 trauma center for lower extremity trauma: a 4-year experience
Odds ratio | 95% CI | p-value | |||
|---|---|---|---|---|---|
Group 1 vs 2 | 0.739 | 0.22 | 0.862 | 0.026 | |
Age | 1.048 | 1.01 | 1.088 | 0.013 | |
Cause of injury | Out car TA | 0.685 | |||
In car TA | 0.945 | 0.185 | 4.833 | 0.946 | |
Fall down | 0.000 | 0.000 | - | 0.997 | |
Contusion | 0.104 | 0.005 | 2.005 | 0.134 | |
Motorcycle | 0.771 | 0.148 | 4.018 | 0.758 | |
Intubation | 1.061 | 0.234 | 4.818 | 0.939 | |
ICU care | 2.762 | 0.504 | 15.124 | 0.242 | |
Gustilo type | L | 0.262 | |||
Ll | 1.17 | 0.083 | 16.581 | 0.908 | |
lllA | 1.207 | 0.06 | 24.375 | 0.903 | |
lllB | 5.513 | 0.356 | 85.441 | 0.222 | |
lllC | 7.09 | 0.684 | 73.522 | 0.101 | |
Existence of infection | 3.44 | 1.013 | 11.677 | 0.048 | |
Bony loss | < 5 cm | 0.691 | |||
≥ 5 cm | 5.303 | 0.881 | 31.902 | 0.068 | |
External fixator | 4.169 | 1.353 | 49.262 | 0.002 | |
Vessel injury | ATA | 3.183 | 0.349 | 29.047 | 0.305 |
PTA | 0.409 | 0.021 | 7.809 | 0.552 | |
Peroneal | 0.000 | 0.000 | - | > 0.999 | |
Others | 5.618 | 0.271 | 116.542 | 0.265 | |