Association between baseline joint inflammation and joint inflammation in the same joint during follow-up within the three BeSt for Kids treatment strategy arms
| Treatment strategy arm | OR (95% CI) |
| Arm 1 (start with methotrexate or sulfasalazine) | 5.2 (4.2 to 6.4) |
| Arm 2 (start with methotrexate in combination with prednisolone bridging) | 3.1 (2.6 to 3.7) |
| Arm 3 (start with etanercept methotrexate combination therapy) | 4.3 (3.4 to 5.3) |