Table 5.
Multilevel mixed effects regression models comparing clinical outcomes in morbidly obese with obese patients.
| Outcome | OR/IRR | 95% CI | p Value |
|---|---|---|---|
| LOS | |||
| Unadjusted model | 1.09 * | 1.07–1.12 | <0.001 |
| Adjusted model excluding Charlson index |
1.14 * | 1.11–1.16 | <0.001 |
| Adjusted model with Charlson index |
1.13 * | 1.11–1.16 | <0.001 |
| In-hospital mortality | |||
| Unadjusted model | 0.55 | 0.22–1.40 | 0.208 |
| Adjusted model excluding Charlson index |
0.67 | 0.26–1.70 | 0.395 |
| Adjusted model with Charlson index |
0.66 | 0.26–1.62 | 0.354 |
| ICU admission | |||
| Unadjusted model | 1.12 | 0.96–1.22 | 0.208 |
| Adjusted model excluding Charlson index |
1.16 | 0.91–1.47 | 0.226 |
| Adjusted model with Charlson index |
1.15 | 0.91–1.46 | 0.251 |
| ICU LOS | |||
| Unadjusted model | 1.12 * | 0.89–1.41 | 0.334 |
| Adjusted model excluding Charlson index |
1.16 * | 0.91–1.47 | 0.226 |
| Adjusted model with Charlson index |
1.15 * | 0.91–1.46 | 0.251 |
| Complications | |||
| Unadjusted model | 1.05 | 1.01–1.09 | 0.010 |
| Adjusted model excluding Charlson index |
1.10 | 1.02–1.19 | 0.012 |
| Adjusted model with Charlson index |
1.09 | 1.02–1.18 | 0.017 |
| 30 day readmission | |||
| Unadjusted model | 1.08 | 0.88–1.34 | 0.437 |
| Adjusted model excluding Charlson index |
1.09 | 0.88–1.34 | 0.416 |
| Adjusted model with Charlson index |
1.08 | 0.88–1.33 | 0.465 |
* IRR, incident risk ratio; OR, odds ratio; LOS, length of hospital stay; ICU, intensive care unit.