Table 5.

Summary of included reviews investigating 'adherence and outcome’

Author (year)	Review type	Dates	Methodological quality	No. Included original studies	Conclusion
Christino et al. (2015) [58]	Non-systematic	Not specified	Not assessed	N/A	Positive correlation
Mendonza et al. (2007) [59]	Systematic	Until 2006	Not assessed	3	Inconclusive
te Wierike et al. (2013) [60]	Systematic	2001–2011	Good	1	Positive correlation

Methodological quality refers to the outcome or presence of a quality appraisal undertaken by the review not the authors of this study. The conclusion stated is that of the included review in reference to the correlation between adherence and rehabilitation outcome. The number of original studies is only those included in each review in the evaluation of adherence and outcome