Table 2.

Significant differences of physical function and health-related quality of life between levels of disease activity (SDAI) in early (≤2 years) and late rheumatoid arthritis patients

	HAQ	SF-6D	EQ-5D	SF-36 PCS
EARLY RA
REM (n = 7)	0.14 ± 0.2	0.74 ± 0.15	0.92 ± 0.10	42.7 ± 11.7
LDA (n = 26)	0.39 ± 0.42	0.70 ± 0.15	0.81 ± 0.16	41.8 ± 7.1
MDA/HDA (n = 25)	1.05 ± 0.81	0.60 ± 0.13	0.71 ± 0.19	33.1 ± 9.8
P Value	<0.01	0.01	0.01	0.006
LATE RA
REM (n = 80)	0.41 ± 0.59	0.75 ± 0.15	0.89 ± 0.12	46.3 ± 8.3
LDA (n = 124)	0.78 ± 0.71	0.65 ± 0.14	0.77 ± 0.16	37.6 ± 10.9
MDA/HDA (n = 94)	1.30 ± 0.72	0.57 ± 0.11	0.65 ± 0.22	28.9 ± 8.8
P Value	<0.01	<0.01	<0.01	<0.01

EQ-5D, Euro Quality of life 5 dimensions; HAQ, Health Assessment Questionnaire; LDA, low disease activity; MDA/HDA moderate disease activity/high disease activity; RA, rheumatoid arthritis; REM, remission; SF-6D, Short Form 6 dimensions; SF-36 PCS, Short Form 36 Physical Component Score.