Figure 2.

Cross-sectional correlation of composite scores and correlation with HAQ scores. Matrix displaying Spearman rank coefficients (95% confidence intervals) for cross-sectional correlations of Disease Activity Score (DAS)28, Simplified Disease Activity Index (SDAI), Clinical Disease Activity Index (CDAI), and Health Assessment Questionnaire (HAQ) in the routine cohort (upper diagonal half; n = 720 for correlations with HAQ, otherwise n = 767) and the inception cohort (lower diagonal half; n = 104 for correlation with HAQ, otherwise n = 105).

Aletaha et al. Arthritis Research & Therapy 2005 7:R796-R806   doi:10.1186/ar1740
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