Effects of needs-based patient education on self-efficacy and health outcomes in people with rheumatoid arthritis: a multicentre, single blind, randomised controlled trial.

9 Second, although the between-group differences in both ASES subscales were highly significant at week 32, the prehypothesised difference 36 of 5.5 was not reached in the ASES-Pain subscale and we do not know if the associated changes in the AIMS2-SF subscales are large enough to be clinically significant.

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