Skip to main content

Table 2 Comparison of DAS28 components and disability status across disease activity strata

From: Changing clinical patterns in rheumatoid arthritis management over two decades: sequential observational studies

DAS28 Group

<2.6

2.6 – 3.2

3.2 – 5.1

>5.1

1996-97 Cohort

Number of patients, (%)

15 (8 %)

8 (4 %)

72 (38 %)

94 (50 %)

Tender joint count, mean (SD)

0.7 (1.4)

0.8 (1.4)

4.9 (4.8)

16.4 (8.5)

Swollen joint count, mean (SD)

0.3 (0.9)

4.0 (3.6)

4.5 (3.3)

10.5 (5.1)

Patient global, mean (SD)

14 (7)

26 (16)

42 (20)

64 (21)

ESR, mean (SD)

12 (7)

15 (8)

30 (27)

44 (25)

HAQ, mean (SD)

0.3 (0.4)

0.8 (0.8)

1.0 (0.8)

1.7 (0.8)

2001-03 Cohort

Number of patients, (%)

29 (9 %)

32 (10 %)

115 (37 %)

135 (43 %)

Tender joint count, mean (SD)

0.4 (0.7)

1.3 (1.6)

4.6 (4.2)

12.9 (7.1)

Swollen joint count, mean (SD)

0.8 (1.4)

2.3 (2.6)

3.5 (2.8)

7.5 (4.0)

Patient global, mean (SD)

15 (19)

28 (22)

42 (22)

70 (22)

ESR, mean (SD)

9 (7)

20 (19)

26 (21)

48 (28)

HAQ, mean (SD)

0.7 (0.7)

1.0 (0.7)

1.4 (0.7)

1.9 (0.6)

2013-14 Cohort

Number of patients, (%)

148 (28 %)

67 (13 %)

212 (41 %)

93 (18 %)

Tender joint count, mean (SD)

0.7 (1.6)

1.6 (2.4)

4.7 (4.7)

15.2 (7.9)

Swollen joint count, mean (SD)

0.2 (0.7)

1.0 (1.6)

1.9 (2.3)

5.3 (3.6)

Patient global, mean (SD)

24 (17)

24 (17)

50 (21)

73 (16)

ESR, mean (SD)

9 (7)

22 (17)

26 (18)

34 (23)

HAQ, mean (SD)

0.9 (0.8)

1.2 (0.8)

1.4 (0.8)

1.9 (0.6)

  1. Legend: SD standard deviation