CRP and obesity due to melanocortin 4 receptor deficiency: A multiple linear regression was run to predict ESSDAI according to obesity, steroid treatment, statin treatment, anti-Ro/SS-A+, anti-La/SS-B+, rheumatoid factor+, CRP (mg/L), LDH (U/L), triglyceride (mmol/L) and cholesterol (mmol/L).