Table 4.
Multivariate analysis of outcomes for readmission
| Outcome | OR | 95% CI | P-value |
|---|---|---|---|
| Arthroscopic vs. open (reference=arthroscopic) | 3.64 | 1.98–6.68 | 0.001 |
| ASA (reference=Class IV) | 0.011 | ||
| Class I | 1.68 | 0.84–3.36 | 0.139 |
| Class II | 4.45 | 1.85–10.68 | 0.001 |
| Class III | <0.001 | - | >0.999 |
| Hypertension | 0.58 | 0.24–1.38 | 0.216 |
| Current smoker | 0.58 | 0.30–1.11 | 0.098 |
| Congestive heart failure | 37.73 | 3.23–441.06 | 0.004 |
| Chronic obstructive pulmonary disease | 0.37 | 0.06–2.30 | 0.285 |
| Hospital length of stay | 1.07 | 1.02–1.12 | 0.007 |
OR: odds ratio, CI: confidence interval, ASA: American Society of Anesthesiologists.