Reliability and validity of CDAI and SDAI indices in comparison to DAS-28 index in Moroccan patients with rheumatoid arthritis

Table 1 Demographic and clinical characteristics of RA patients (n = 103)

Characteristics	N = 103
Age (Years mean ± SD)	49,7 ± 11,4
Sex (female/male)	90/13
Median duration of illness (per years)	8 (3–14)^a
VAS (mean ± SD) (mm)	40 ± 29
HAQ	0,5 (0–1,37)^a
DAS 28 ESR	4,27 ± 1,75
CDAI	13 (5,25)^a
SDAI	24 (11,40)^a

VAS Visual analogue scale of pain, HAQ Health assessment questionnaire, DAS28 Disease activity for 28 joint indices score, ESR Erythrocyte sedimentation rate, CDAI Clinical disease activity index, SDAI Simplified disease activity index
^amedian and quartiles (the 50th percentile)

ISSN: 1471-2474