Table 3.
Variables Correlated With Operative Duration
| Variable | Spearman ρ | P Value |
|---|---|---|
| Patient age | –0.221 | <.001∗ |
| Female sex | –0.009 | .779 |
| Body mass index | 0.008 | .801 |
| Active tobacco smoker | 0.025 | .432 |
| Diabetic status | –0.049 | .127 |
| Previous surgery on operative extremity | 0.020 | .543 |
| Tourniquet pressure | –0.072 | .057 |
| No. of knee arthroscopy cases performed by surgeon per month | –0.200 | <.001∗ |
| Surgeon performing >20 knee arthroscopy cases per month | –0.117 | .001∗ |
| Surgeon years in practice | –0.267 | <.001∗ |
| Hospital setting (vs ASC) | 0.377 | <.001∗ |
| Intraoperative complication | 0.077 | .016∗ |
ASC, ambulatory surgery center.
∗
Statistically significant (P < .05).