Table 2.
Full model of total risk scores for hospitalization diagnostic (ICD-10) codes, physician diagnostic (ICD-9) codes and physician procedure claims, adjusted for the study covariates
| Effect | Adjusted Odds Ratio | 95% Confidence interval |
|---|---|---|
| Hospitalization diagnostic score | 2.12 | 1.91–2.20 |
| Physician diagnostic score | 1.88 | 1.75–2.02 |
| Physician procedure score | 1.45 | 1.31–1.56 |
| Age < 65 years | 1.74 | 1.40–2.16 |
| Log-operation duration, min | 1.52 | 1.30–1 .72 |
| Surgical specialty | ||
| General surgery | 1.60 | 1.20–2.15 |
| Gynecology | 1.19 | 0.80–1.76 |
| Orthopedics | 0.77 | 0.53–1.11 |
| Plastics | 2.37 | 1.59–3.51 |
| Vascular | 1.75 | 1.12–2.68 |
| Other | Reference | Reference |
| Female | 1.18 | 0.96–1 .47 |
| Concurrent surgical procedures | ||
| 1 | 1.05 | 0.67–1.63 |
| 2+ | 1.09 | 0.67–1.75 |
| 0 | Reference | Reference |
| ASA class | ||
| I | 0.87 | 0.75–1.33 |
| II | 1.21 | 0.80–1.80 |
| III | 1.10 | 0.66–1.76 |
| IV | 0.32 | 0.04–1.03 |
| V | Reference | Reference |
| Emergent case | 0.99 | 0.79–1.20 |