Table 2.
Multivariate logistic regression models of variables associated with PSI-14 presented as odds ratios (Standard error), significance levels indicated by * are presented (* <0.05, ** p<0.01, *** p<0.001).
| MODEL A Including BMI (n=16,432) |
MODEL B Excluding BMI (n=24,377 ) |
MODEL C Excluding infection (n=16,432) |
MODEL D Excluding BMI and infection (n=24,377) |
|
|---|---|---|---|---|
| Tertiary vs. community hospital | 1.414 (0.27) | 1.404 (0.28) | 1.263 (0.33) | 1.266 (0.32) |
| Day of surgery (Weekend vs. weekday) | 1.236* (0.12) | 1.17 (0.12) | 1.455*** (0.11) | 1.319*** (0.09) |
| Age | 0.998 (0.00) | 0.998 (0.00) | 0.997 (0.00) | 0.999 (0.00) |
| BMI | 1.036*** (0.01) | 1.030*** (0.01) | ||
| Female Gender | 0.659** (0.09) | 0.665** (0.10) | 0.758 (0.12) | 0.741 (0.12) |
| Diabetes | 1.169 (0.11) | 1.368** (0.15) | 1.323*** (0.04) | 1.425*** (0.07) |
| COPD | 1.635** (0.28) | 1.583** (0.26) | 1.324 (0.25) | 1.350* (0.20) |
| Ascites | 1.837*** (0.34) | 1.625** (0.30) | 1.787** (0.33) | 1.643** (0.25) |
| Anemia | 1.328*** (0.09) | 1.360*** (0.04) | 1.427*** (0.07) | 1.441*** (0.09) |
| Jaundice | 1.293 (0.27) | 1.073 (0.24) | 1.196 (0.23) | 1.037 (0.24) |
| Infection | 1009.08*** (253.24) | 1307.77*** (343.78) | ||
| Pneumonia | 1.981** (0.42) | 1.928** (0.45) | 2.257*** (0.34) | 2.049*** (0.34) |
| Autoimmune disease | 0.821 (0.25) | 0.927 (0.25) | 0.975 (0.13) | 1.166 (0.16) |
| Immunosuppressive drug prior to surgery | 0.834 (0.29) | 0.833 (0.25) | 0.77 (0.30) | 0.995 (0.17) |
| Immunosuppressive drug after surgery | 1.371* (0.21) | 1.379* (0.22) | 1.235 (0.14) | 1.344* (0.16) |
| Opioid drug prior to surgery | 0.993 (0.16) | 1.060 (0.15) | 1.015 (0.09) | 1.017 (0.08) |
| Opioid drug after surgery | 1.597*** (0.15) | 1.673*** (0.22) | 1.532*** (0.14) | 1.602*** (0.18) |