APPENDIX C

Physiotherapy Evidence Database (PEDro) scale ratings for the included studies.

Study Item number Total (from a possible maximum of 10)
1 a 2 3 4 5 6 7 8 9 10 11
Aloui et al. (2020) 1 1 0 1 0 0 0 1 1 1 1 6
Chaabene et al. (2019) 1 0 0 1 0 0 0 1 0 1 1 4
Chelly et al. (2014) 1 1 0 0 0 0 0 1 1 1 1 5
De Villarreal et al. (2022) 1 1 0 1 0 0 0 1 1 1 1 6
De Villarreal et al. (2022) 1 1 0 1 0 0 0 1 1 1 1 6
Ethiraj et al. (2020) 1 1 0 0 0 0 0 1 1 1 1 5
Gaamouri et al. (2022) 1 1 0 1 0 0 0 1 1 1 1 6
Gaamouri et al. (2023a) 1 0 0 1 0 0 0 1 1 1 1 5
Gaamouri et al. (2023b) 1 0 0 1 0 0 0 1 1 1 1 5
Hammami et al. (2018) 1 1 0 1 0 0 0 1 1 1 1 6
Hammami et al. (2019) 1 1 0 1 0 0 0 1 1 1 1 6
Hammami et al. (2020a) 1 1 0 1 0 0 0 1 1 1 1 6
Hammami et al. (2020b) 1 1 0 1 0 0 0 1 1 1 1 6
Hammami et al. (2021) 1 1 0 1 0 0 0 1 1 1 1 6
Hermassi et al. (2014) 1 1 0 0 0 0 0 1 1 1 1 5
Karadenizli (2016) 1 1 0 1 0 0 0 1 1 1 1 6
Mazurek et al. (2018) 1 1 0 0 0 0 0 1 1 1 1 5
Noutsos et al. (2021) 1 1 0 0 0 0 0 1 1 1 1 5
Pancar et al. (2020) 1 1 0 0 0 0 0 1 1 1 1 5
Spieszny & Zubik (2018) 1 1 0 0 0 0 0 1 1 1 1 5
a Adetailed explanation for each PEDro scale item can be accessed at https://www.pedro.org.au/english/downloads/pedro-scale (access for this review: June 19, 2020). In brief: Item 1, eligibility criteria were specified (this item is not considered in the total); Item 2, participants were randomly allocated to groups; Item 3, allocation was concealed; Item 4, the groups were similar at baseline; Item 5, there was blinding of all participants regarding the plyometric jump training programme being applied; Item 6, there was blinding of all coaches responsible for the application of plyometric jump training programme regarding its aim toward the improvement of physical fitness; Item 7, there was blinding of all assessors involved in measurement of physical fitness attributes; Item 8, measures of at least one key fitness variable were obtained from more than 85% of participants initially allocated to groups; Item 9, all participants for whom fitness variables were available received the treatment or control condition as allocated, or data for at least one key fitness variable was analysed by “intention to treat”; Item 10, the results of between-group statistical comparisons are reported for at least one key fitness variable; and Item 11, point measures and measures of variability for at least one key fitness variable are provided.