Table 4.
Negative Binomial Logistic Regression Analyses
| Variables | Ventilator days | Hospital length of stay | ||||||
|---|---|---|---|---|---|---|---|---|
| Odd ratio | 95% CI | P-value | Odd ratio | 95% CI | P-value | |||
| Lower | Upper | Lower | Upper | |||||
| Age (y) | 1.007 | 0.992 | 1.022 | .380 | 0.989 | 0.974 | 1.004 | .137 |
| Male | 0.74 | 0.45 | 1.23 | .246 | 0.528 | 0.328 | 0.851 | .009 |
| Neck burn | 0.95 | 0.51 | 1.79 | .879 | 1.16 | 0.64 | 2.13 | .620 |
| Inhalation injury Grade (Ref = grade 1) | ||||||||
| Grade 2 | 1.55 | 0.89 | 2.69 | .120 | 1.03 | 0.61 | 1.73 | .925 |
| Grade 3 | 1.68 | 0.89 | 3.17 | .111 | 1.59 | 0.86 | 2.94 | .138 |
| Second-degree burn | 1.03 | 1.01 | 1.06 | .003 | 1.039 | 1.016 | 1.062 | .001 |
| TBSA | 1.01 | 1.00 | 1.02 | .195 | 1.003 | 0.987 | 1.019 | .730 |
| Pulmonary lavage | 1.84 | 1.14 | 2.98 | .013 | 1.717 | 1.080 | 2.730 | .022 |
Bold indicates significant P values.
Abbreviation: TBSA, total burn surface area.