Minimally important difference of the Treatment Satisfaction with Medicines Questionnaire (SATMED-Q)

Table 2 Pearson correlation coefficients between SATMED-Q domains, TSQM domains and TSQM item #14

			TSQM
SATMED-Q	Effectiveness	Side effects	Convenience of use	General satisfaction	Total score	Item #14
Treatment effectiveness	0.68	0.19	0.32	0.67	0.61	0.55
Convenience of use	0.32	0.34	0.68	0.37	0.56	0.34
Impact on daily living/activities	0.44	0.19	0.28	0.55	0.50	0.45
Medical care	0.19	0.02NS	0.10**	0.28	0.19	0.18
Undesirable side effects	0.18	0.58	0.24	0.25	0.43	0.23
General satisfaction	0.60	0.27	0.41	0.68	0.66	0.58
Overall composite score	0.61	0.39	0.51	0.70	0.74	0.58

p < 0.001 in all cases, except: ** p < 0.01 and NS = Non-significant. TSQM = Treatment Satisfaction Questionnaire for Medications. SATMED-Q = Satisfaction with Medicines Questionnaire.

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