Table 5.

Physiotherapy evidence database (PEDro) scale ratings.

	No. 1 *	No. 2	No. 3	No. 4	No. 5	No. 6	No. 7	No. 8	No. 9	No. 10	No. 11	Total **
Barene et al. [43]	+	+	+	+	-	-	-	+	+	+	+	7
Helge et al. [44]	+	+	-	+	-	-	-	+	+	+	+	6
Helge et al. [45]	+	+	-	+	-	-	-	-	+	+	+	5
Krustrup et al. [46]	+	+	-	+	-	-	-	-	+	+	+	5
Krustrup et al. [47]	+	+	-	+	-	-	-	+	+	+	+	6
Mohr et al. [48]	+	+	-	+	-	-	-	+	+	+	+	6
Randers et al. [49]	+	+	-	+	-	-	-	-	+	+	+	5
Skoradal et al. [50]	+	+	-	+	-	-	-	+	+	+	+	6
Uth et al. [51]	+	+	-	+	-	-	-	+	+	+	+	6

*: PEDro scale items number; **: the total number of points from a possible maximal of 10; No. 1: eligibility criteria were specified (not included in the score); No. 2: subjects were randomly allocated to groups; No. 3: allocation was concealed; No. 4: the groups were similar at baseline regarding the most important prognostic indicators; No. 5: there was blinding of all subjects; No. 6: there was blinding of all therapists, who administered the therapy; No. 7: there was blinding of all assessors, who measured at least one key outcome; No. 8: measures of at least one key outcome were obtained from more than 85% of the subjects initially allocated to groups; No. 9: all subjects for whom outcome measures were available received the treatment or control condition as allocated or, where this was not the case, data for at least one key outcome was analyzed by “intention to treat”; No. 10: the results of between-group statistical comparisons are reported for at least one key outcome; and No. 11: the study provides both point measures and measures of variability for at least one key outcome.