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Mean time to revision (in days)
| Time (in days) | Revision TKA | Cocaine | Cannabis | Opioid | SHA | Amphetamines | Alcohol |
|---|---|---|---|---|---|---|---|
| Mean | 821 | 730 | 739 | 804 | 769 | 691 | 756 |
| Standard deviation |
740.9 | 674.5 | 685.5 | 717.2 | 681.2 | 679.3 | 712.0 |
Abbreviations: SHA, sedatives/hypnotics/anxiolytics; TKA, total knee arthroplasty.
