| ACR | American College of Rheumatology |
| BMI | body mass index |
| HC | historical control |
| OA | osteoarthritis |
| PSM | propensity score matching |
| RCT | randomized controlled trial |
| SD | standard deviation |
| SYSADOA | symptomatic slow-acting drug for osteoarthritis |
| VAS | visual analogue scale |
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