Influence of damage state on the Physical Component Summary Score (PCS) of the SF-36 in SLE patients
| Variables | Coefficient | SE | p Value | Mean | Lower CI | Upper CI |
|---|---|---|---|---|---|---|
| Intercept | 43.55 | 0.34 | – | – | – | – |
| Damage 0 | – | – | – | 43.55 | 42.88 | 44.22 |
| Damage 1 | −2.64 | 0.69 | <0.001 | 40.91 | 39.65 | 42.16 |
| Damage 2 | −2.86 | 0.96 | 0.003 | 40.69 | 38.91 | 42.46 |
| Damage 3 | −5.94 | 1.21 | <0.001 | 37.61 | 35.33 | 39.89 |
| Damage 4 | −6.35 | 1.84 | <0.001 | 37.20 | 33.66 | 40.74 |
| Damage 5+ | −8.11 | 1.69 | <0.001 | 35.44 | 32.19 | 38.69 |
SF-36, Medical Outcomes Survey Short-Form 36; SLE, systemic lupus erythematosus.