Prevalence of non-opioid adjunct administered among outpatient total knee and hip arthroplasty
| Medication | Anesthesia type | χ2 p-value | |
| Neuraxial n=10 003 | General n=1520 | ||
| N (%) | N (%) | ||
| Non-steroidal anti-inflammatory | 7904 (79.0) | 641 (42.2) | <0.01 |
| Acetaminophen | 9447 (94.4) | 1408 (92.6) | <0.01 |
| Gabapentinoids | 1299 (13.0) | 496 (32.6) | <0.01 |
| Ketamine | 1627 (16.3) | 771 (50.7) | <0.01 |
| Alpha-2 agonist | 1090 (10.9) | 260 (17.1) | <0.01 |
| Magnesium sulfate | 435 (4.4) | 543 (35.7) | <0.01 |
| Corticosteroid | 6747 (67.5) | 1198 (78.8) | <0.01 |
| Periarticular injection | 5646 (56.4) | 700 (46.1) | <0.01 |
| Nerve block | 7745 (77.4) | 1152 (75.8) | 0.16 |