Increased serum concentrations of IL-1 beta, IL-21 and Th17 cells in overweight patients with rheumatoid arthritis

Table 4 Multiple variable regression was calculated to predict the frequencies of Th17 cells based on the indicated variables in patients with rheumatoid arthritis (n = 81)

Variables	β regression coefficient	P value
Sex	0.244	0.32
Age	−0.158	0.089
BMI	0.495	0.0011**
Disease duration	0.155	0.36
DAS28esr	−0.048	0.89
CDAI	0.120	0.73
HAQ	0.110	0.51
Anti-CCP antibody positivity	0.243	0.67
RF titer (U/mL)	−0.097	0.52
MTX user	0.218	0.11
PSL user	0.177	0.26
bDMARDs user	−0.132	0.38

BMI body mass index, DAS28esr Disease Activity Score 28 joints-erythrocyte sedimentation rate, CDAI Clinical Disease Activity Index, HAQ Health Assessment Questionnaire, Anti-CCP anti-citrullinated peptide, RF rheumatoid factor, MTX methotrexate, PSL prednisolone, bDMARDS biological disease-modifying anti-rheumatic drugs. **P < 0.01

ISSN: 1478-6362