Measurement of Disease Activity in Ecuadorian Patients with Rheumatoid Arthritis: Does RAPID3 Correlate with Traditional Indexes?

Table 2

Mean scores of rheumatoid arthritis activity assessed by each method.

Characteristics	Patients (n=200) mean (SD)
RAPID 3 (n, %)	14.1 (8.2)
I (23, 11.5)	0.9 (1.0)
II (18, 9.0)	4.8 (0.8)
III (42, 21.0)	9.32 (1.7)
IV (117, 58.5)	19.9 (4.7)
DAS 28 (n, %)	4.9 (1.7)
I (28, 14.0)	2.0 (0.3)
II (6, 3.0)	2.9 (0.1)
III (67, 33.5)	4.3 (0.6)
IV (99, 49.5)	6.2 (0.9)
CDAI (n, %)	21.6 (15.4)
I (19, 9.5)	1.0 (1.0)
II (35, 17.5)	6.7 (2.3)
III (59, 29.5)	17.0 (3.5)
IV (87, 43.5)	35.2 (12.1)
SDAI (n, %)	23.7 (16.7)
I (21, 10.5)	1.6 (1.1)
II (27, 13.5)	7.0 (1.9)
III (74, 37.0)	19.0 (4.2)
IV (78, 39.0)	39.8 (13.6)

Notes: I, near remission; II, low activity; III, moderate activity; IV, high activity