Table 12.

Difference in means between treatment and control groups for SBP at final follow-up

Author	Sample size (treatment group vs. control group)	Difference	95% CI
Liu et al. [64]	119 (60 vs. 59)	− 1.00 mmHg**	− 3.87 to 1.87
Mainenti et al. [65]	23 (11 vs. 12)	− 12.25 mmHg*	− 29.53 to 5.03
Monzani et al. [67]	20 (10 vs. 10)	0.50 mmHg*	− 6.79 to 7.79
Monzani et al. [68]	45 (23 vs. 22)	− 2.00 mmHg*	− 10.19 to 6.19
Nagasaki et al. [69]	95 (48 vs. 47)	− 3.40 mmHg**	− 10.56 to 3.76
Stott et al. [73]	638 (318 vs. 320)	− 0.1 mmHg*	− 2.1 to 2.4
Yazici et al. [76]	45 (23 vs. 22)	0.50 mmHg*	− 5.23 to 6.23
Zhao et al. [77]	369 (210 vs. 159)	− 2.54 mmHg*	− 6.65 to 1.57

*Value is the difference in mean scores at final follow-up between treatment and control groups

**Value is the difference in mean variation scores from baseline to follow-up between treatment and control group