Table 2.
Multivariate logistic regression of factors associated with flail chest injuries among patients with rib fractures after motor vehicle collisions in the 2019 ACS-TQIP database. AIS—Abbreviated Injury Scale. CVA—cerebrovascular accident. IQR—Interquartile range.
| Variable | Odds Ratio | 95% Confidence Interval | p Value |
|---|---|---|---|
| Age | 1.01 | 1.01–1.02 | <0.001 |
| Male sex | 1.03 | 0.89–1.18 | 0.701 |
| Seatbelt Type | |||
| No seatbelt | reference | ||
| Lap belt only | 0.72 | 0.57–0.90 | 0.004 |
| Shoulder belt | 0.73 | 0.63–0.86 | <0.001 |
| Airbag | |||
| No airbag present | reference | ||
| Airbag present not deployed | 0.86 | 0.67–1.09 | 0.208 |
| Airbag deployed | 0.76 | 0.65–0.89 | 0.001 |
| Body region maximum AIS | |||
| Head/Neck | 1.13 | 1.07–1.18 | <0.001 |
| General | 1.04 | 0.93–1.16 | 0.500 |
| Face | 1.07 | 0.95–1.20 | 0.255 |
| Extremities | 1.22 | 1.15–1.30 | <0.001 |
| Abdomen | 1.38 | 1.31–1.45 | <0.001 |
| History of Smoking | 1.29 | 0.96–1.73 | 0.096 |
| History of CVA | 2.17 | 1.21–3.88 | 0.009 |