Table 3: Clinical features in RA patients between High DAS28-CRP and moderate DAS28-CRP.

Parameter High DAS28-CRP
(i.e. > 5.1)
Mean ± SD (n = 29)
Moderate DAS28-CRP
(i.e. 3.2-5.1)
Mean ± SD (n = 13)
P value
25-OH Vitamin D (nmol/l) 58.52 ± 55.13 96.60 ± 44.13 0.04*
CRP (mg/l) 27.16 ± 40.15 9.15 ± 5.89 0.134
SJC 6.03 ± 4.07 4.75 ± 2.38 0.314
TJC 9.62 ± 4.67 7.25 ± 3.08 0.115

P value < 0.05* is significant; 25-OH Vitamin D: 25-Hydroxyvitamin D; DAS28-CRP: Disease Activity Score-CRP; CRP: C-Reactive Protein; SJC: Swollen Joint Count; TJC: Tender Joint Count.