Use of Clinical Disease Activity Index Score for Assessment of Disease Activity in Rheumatoid Arthritis Patients: An Indian Experience

Table 5

Showing comparison of values between DAS-28 and CADI Score.

Comparison groups	Mean DAS-28 ± SD	Mean CDAI-ACR ± SD	Spearman’s coefficient (𝑟)	𝑃 value
I versus I	1.99±0.38	0.90±0.65	0.975	0.0001
II versus II	3.04±0.17	6.45±2.35	0.908	0.0001
III versus III	4.25±0.58	16.46±3.31	0.997	<0.0001
IV versus IV	6.38±0.87	38.56±11.88	0.999	<0.0001
Total	5.5±1.49	25±16.35	0.980	<0.0001

Kappa value of above comparison = 0.533 (moderate-to-good correlation:  𝑃<0.0001).