Table 3.
Correlation of ICU p-LOS with ICU mortality of obesity patients with sepsis in the original and post-PSM cohort.
| Original cohort | Post-PSM cohort | ||||||
|---|---|---|---|---|---|---|---|
| Variables | OR | 95% CI | P -value | Variables | OR | 95% CI | P -value |
| Univariate logistic regression | |||||||
| ICU p-LOS | 1.878 | 1.542–2.287 | <0.001 | ICU p-LOS | 1.336 | 1.033–1.728 | 0.027 |
| Multivariate logistic regression | |||||||
| ICU p-LOS | 1.388 | 1.075–1.791 | 0.012 | ICU p-LOS | 1.411 | 1.042–1.911 | 0.026 |
| Pulmonary | 1.583 | 1.070–2.342 | 0.021 | APACHE IV | 1.022 | 1.015–1.030 | <0.001 |
| APACHE IV | 1.017 | 1.011–1.023 | <0.001 | SOFA | 1.192 | 1.116–1.274 | <0.001 |
| SOFA | 1.202 | 1.143–1.265 | <0.001 | GCS | 1.089 | 1.034–1.147 | 0.001 |
| GCS | 1.101 | 1.054–1.149 | <0.001 | LOS before admission to ICU | 1.047 | 1.023–1.071 | <0.001 |
| LOS before admission to ICU | 1.056 | 1.036–1.077 | <0.001 | Minimum white blood cell | 1.105 | 1.063–1.149 | <0.001 |
| Congestive heart failure | 1.522 | 1.064–2.177 | 0.022 | Maximum bicarbonate | 1.065 | 1.007–1.126 | 0.028 |
| Ventilation | 1.445 | 1.104–1.892 | 0.007 | ||||
| Vasopressors | 1.288 | 1.002–1.656 | 0.048 | ||||
| Minimum mean arterial pressure | 0.989 | 0.980–0.998 | 0.013 | ||||
| Minimum platelet | 0.996 | 0.992–1.000 | 0.030 | ||||
| Minimum white blood cell | 1.118 | 1.090–1.147 | <0.001 | ||||
| Minimum lactate | 1.134 | 1.028–1.251 | 0.012 | ||||
| Minimum albumin | 0.886 | 0.792–0.992 | 0.036 | ||||
PSM, propensity score matching; OR, odds ratio; CI, confidence interval; APACHE IV, acute physiology and chronic health evaluation IV; SOFA, sequential organ failure assessment; GCS, Glasgow coma scale; ICU, intensive care unit; p-LOS, prolonged length of stay.