Table 5.
Univariable and multivariable logistic regression of characteristics associated with opioid prescription (n = 228)
| Univariable |
Multivariable |
|||
|---|---|---|---|---|
| Unadjusted OR (95% CI) | P value | Adjusted OR (95% CI) | P value | |
| Age at surgery, y, median (IQR) | 0.98 (0.97-1.00) | .12 | 0.96 (0.93-0.99) | .01 |
| Smoking | 2.96 (1.63-5.38) | <.001 | 2.16 (0.99-4.72) | .052 |
| Alcohol abuse | 2.58 (1.00-6.70) | .051 | 2.75 (0.86-8.75) | .09 |
| ASA classification | ||||
| 2 | (reference) | (reference) | ||
| 3 | 1.85 (0.88-3.87) | .10 | 2.43 (0.85-6.92) | .10 |
| 4 | 2.55 (1.04-6.22) | .04 | 2.84 (0.82-9.89) | .10 |
| Opioids before surgery | 25.60 (9.24-70.95) | <.001 | 28.80 (9.13-90.80) | <.001 |
| Surgical approach | ||||
| Minimally invasive | (reference) | (reference) | ||
| Open | 2.85 (1.02-7.97) | .045 | 2.57 (0.67-9.87) | .17 |
| Cavity | (reference) | |||
| Abdominal cavity | 2.55 (1.35-4.80) | .004 | (reference) | |
| Thoracic cavity | 1.15 (0.98-1.35) | .09 | 2.17 (0.91-5.18) | .08 |
| Time in operating room, h | 0.98 (0.97-1.00) | .12 | 1.18 (0.97-1.45) | .10 |
Values in bold are statistical significance at P values < .05. OR, Odds ratio; CI, confidence interval; IQR, interquartile range; ASA, American Society of Anesthesiologists.