Multivariable predictors of baseline PtGA and MDGA
| Models (R2) | Variable | β (95% CI) | RW (95% CI) |
| PtGA | |||
| (R2=0.71) | Pain | 0.49 (0.42 to 0.55)*** | 0.27 (0.22 to 0.31) |
| Fatigue | 0.18 (0.11 to 0.25)*** | 0.15 (0.12 to 0.18) | |
| PHQ-9 | 0.13 (0.06 to 0.19)*** | 0.09 (0.07 to 0.12) | |
| SF-36 GH | −0.09 (−0.15 to −0.04)** | 0.07 (0.05 to 0.09) | |
| HAQ-DI | 0.09 (0.03 to 0.15)** | 0.08 (0.06 to 0.11) | |
| TJC | 0.06 (0.01 to 0.11)* | 0.04 (0.02 to 0.06) | |
| Prednisone use | −0.04 (−0.09 to 0.00) | 0.01 (0.00 to 0.02) | |
| MDGA | |||
| (R2=0.87) | SJC | 0.59 (0.55 to 0.63)*** | 0.44 (0.40 to 0.49) |
| TJC | 0.40 (0.36 to 0.44)*** | 0.31 (0.27 to 0.35) | |
| ESR | 0.06 (0.03 to 0.10)*** | 0.06 (0.04 to 0.08) | |
| Fatigue | 0.06 (0.01 to 0.10)** | 0.02 (0.01 to 0.03) | |
| PHQ-9 | −0.05 (−0.09 to −0.01)* | 0.01 (0.00 to 0.02) | |
| Age | −0.03 (−0.07 to −0.01)* | 0.01 (0.00 to 0.02) | |
| HAQ-DI | 0.04 (−0.01 to 0.08) | 0.03 (0.02 to 0.05) |
*p<0.05, **p<0.01, ***p<0.001.
ESR, erythrocyte sedimentation rate; HAQ-DI, Health Assessment Questionnaire Disability Index; MDGA, physician global assessment; PHQ-9, Patient Health Questionnaire-9; PtGA, patient global assessment; RW, relative weight; SF-36 GH, Short-Form Health Survey general health scale; SJC, swelling joint count; TJC, tenderness joint count; β, standardised regression coefficient.