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

Table 2 Distribution of patients with various levels of disease activity and criteria used in our study

Index	Disease of activity	Definition	Number of patients
DAS-28 ESR	Remission	<2.6	20
	Low activity	<3.2	20
	Moderate activity	<5.1	42
	High activity	≥5.1	21
CDAI	Remission	<2.8	16
	Low activity	<10	25
	Moderate activity	<22	31
	High activity	≥22	31
SDAI	Remission	<3.3	5
	Low activity	<11	19
	Moderate activity	<26	24
	High activity	≥26	49

DAS28 Disease activity for 28 joint indices score, ESR Erythrocyte sedimentation rate, CDAI Clinical disease activity index, SDAI Simplified disease activity index

ISSN: 1471-2474