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Table 1 Methodological quality rating

From: Does working alliance have an influence on pain and physical functioning in patients with chronic musculoskeletal pain; a systematic review

Author & year Methodological score Quality rating
Cohort studies   
 Higdon 1997 [28] 14/22 Low
 Bliss 2009 [29] 18/22 High
 Farin et al. 2012 [30] 20/22 High
 Ferreira et al. 2013 [5] 20/22 High
Randomized controlled trial   
 Fuentes et al. 2014 [31] 9/10 High