Unadjusted response rates after 1 year of treatment with a first TNF inhibitor
| Outcome | N | BMI category | P* | ||
|---|---|---|---|---|---|
| 496 | Normal (N=258) | Overweight (N=162) | Obese (N=76) | ||
| ASAS40 | 496 | 44 | 35 | 28 | 0.02 |
| ASDAS improvement ≥1.1 | 425 | 60 | 46 | 38 | 0.002 |
| ASDAS <2.1 | 472 | 56 | 39 | 31 | <0.001 |
| ASDAS improvement ≥2 | 425 | 26 | 24 | 14 | 0.14 |
| ASDAS <1.3 | 472 | 30 | 15 | 10 | <0.001 |
Values are the %. *Overall P value.