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Table 2 Correlations between serum 25OHD concentrations at baseline and clinical characteristics of RA patients at baseline

From: Vitamin D and early rheumatoid arthritis

 No. patientsCorrelation co-efficientP value
Duration EMS3350.0740.191
ESR335−0.0450.418
CRP321−0.0150.785
TJC683330.0750.170
SJC663330.0290.601
TJC283330.0770.163
SJC283330.0170.758
VAS Patient global327−0.0080.157
DAS28-ESR3150.0370.513
DAS28-CRP3240.0470.402
VAS pain3190.0120.831
VAS EMS115−0.1030.272
VAS fatigue319−0.0210.713
FACIT fatigue2870.0050.926
HAQ286−0.0140.808
PHQ9297−0.0060.913
  1. CRP C-reactive protein, DAS disease activity score, EMS early morning stiffness, ESR erythrocyte sedimentation rate, FACIT functional assessment of chronic illness therapy, HAQ health assessment questionnaire, PHQ patient health questionnaire, SJC swollen joint count, TJC tender joint count, VAS visual analogue scale