| NSAIDs | SIAI | Probability | ||
|---|---|---|---|---|
| Average age (years) | 59.68 | 46.40 | 0.005 | |
| Body mass index (kg/m2) | 28.60±5 | 30.21±4.93 | 0.07 | |
| Topography of knee osteoarthritis | ||||
| PF* | 2 | 2 | 0.12 | |
| FT** | 14 | 5 | ||
| Overall | 19 | 28 | ||
| Kellgren and Lawrence classification | ||||
| Stage 1 | 1 | 1 | 0.064 | |
| Stage 2 | 7 | 0 | ||
| Stage 3 | 25 | 24 | ||
| Stage 4 | 2 | 10 | ||
| Affected knee | ||||
| Right | 20 | 18 | 0.07 | |
| Left | 15 | 17 |