Effectiveness of high intensity interval training on cardiorespiratory fitness and endothelial function in type 2 diabetes: A systematic review

Table 1 Quality assessment of the included studies using the physiotherapy evidence database

	Balducci et al[20], 2012	Terada et al[21], 2013	Karstoft et al[22], 2013	Mitranun et al[23], 2014	Hollekim-Strand et al[24], 2014	Winding et al[25], 2018	Hwang et al[26], 2019	Suryanegara et al[27], 2019	Mortensen et al[28], 2019	Baasch-Skytte et al[29], 2020	Gildea et al[30], 2021	Li et al[31], 2022
Eligibility criteriaa	√	√	√	√		√	√			√	√	√
Random allocation	√	√	√	√	√	√	√	√	√	√	√	√
Concealed allocation									√		√
Baseline comparability	√	√	√	√	√	√	√	√	√	√	√	√
Blinded subjects
Blinded therapists
Blinded assessors		√	√									√
Adequate follow-up	√	√	√	√			√			√		√
Intention-to-treat analysis		√					√
Between-group comparisons	√	√	√	√	√	√	√	√	√	√	√	√
Point estimates and variability	√	√	√	√	√	√	√	√	√	√	√	√
Total score	5/10	7/10	6/10	5/10	4/10	4/10	6/10	4/10	5/10	5/10	5/10	6/10

^aEligibility criteria item does not contribute to total score.