CRP and enthesitis: At baseline BMI was positively correlated with several measures of disease activity and function including DAS28CRP, DAPSA, tender joints count, CRP, patient’s global health VAS, Leeds enthesitis index and HAQ (Spearman’s rho ranged from rS = 0.312, p = 0.047 to rS = 0.483, p = 0.001) (Table 2).