Table 3 Mean change and effect size (standardised response mean) in the International Classification of Functioning, Disability and Health (ICF) Core Set for rheumatoid arthritis (RA) components and health status, utility (Short-Form 6D (SF-6D)) and disease activity (28-joint Disease Activity Score (DAS28)) over 6 months with disease-modifying antirheumatic drug (DMARD) treatment presented for patients with and without improvement in health

	All patients (n = 46)		Patients with improved health (n = 27)		Patients without improved health (n = 19)		p Value*
	Change	Effect size	Change	Effect size	Change	Effect size	p Value*
ICF: Body Functions	−3.1 (5.3)	0.59	−4.5 (5.0)	0.85	−1.2 (5.2)	0.22	0.03
ICF: Body Structures	−1.8 (4.5)	0.41	−2.3 (4.1)	0.50	−1.3 (5.1)	0.27	0.47
ICF: Activities and Participation	−4.3 (6.0)	0.71	−5.1 (6.7)	0.85	−3.1 (4.8)	0.51	0.27
ICF: Environmental Factors	−1.8 (3.3)	0.53	−2.0 (3.6)	0.59	−1.5 (3.0)	0.44	0.63
All ICF categories	−11.0 (13.2)	0.83	−13.9 (13.5)	1.05	−7.0 (11.9)	0.53	0.08
MHAQ	−0.16 (0.46)	0.35	−0.28 (0.43)	0.60	0.01 (0.45)	0.01	0.04
SF-36 PCS	3.5 (8.7)	0.41	6.4 (7.9)	0.74	0.3 (8.6)	0.03	0.01
SF-36 MCS	4.2 (11.0)	0.38	5.1 (10.0)	0.46	3.0 (12.2)	0.28	0.55
SF-6D	0.07 (0.12)	0.56	0.09 (0.12)	0.75	0.04 (0.12)	0.32	0.17
DAS28	−0.58 (0.77)	0.75	−0.80 (0.85)	1.04	−0.27 (0.53)	0.34	0.01

*t Test comparing patients with improved versus patients without improved health.
MCS, mental component summary; MHAQ, Modified Health Assessment Questionnaire; PCS, physical component summary; SF-36, Short Form 36.