TABLE 5.

Subgroup analysis of blood flow restriction effect on Squat1-RM.

Factor	Subgroup	Number of articles	Squat1-RM	Heterogeneity
			SMD 95% CI	P	12 (%)	P
Training load	>30%1RM	19	0.325 (0.110, 0,638)	0.003	0	0.677
	≤30%1RM	8	0.639 (0.389, 0.889)	0.002	0	0.879
Training duration	>4 weeks	8	0.606 (0.389,0.823)	0.005	0	0.965
	≤4 weeks	4	0.413 (−0.047, 0.873)	0.049	5	0.368
Training frequency	1-2times/w	2	0.629 (0.262, 0.790)	0.005	0	0.897
	≥3times/w	10	0.550 (0.349, 0.752)	0.002	0	0.861
Maximum cuff pressure	>200 mmHg	6	0.566 (0.337, 0.796)	0.05	0	0.545
	<200 mmHg	6	0.653 (0.195, 0.867)	0.011	0	0.956