Table 12 Difference in means between treatment and control groups for SBP at final follow-up

Liu et al. [64]

− 1.00 mmHg**

− 3.87 to 1.87

Mainenti et al. [65]

− 12.25 mmHg*

− 29.53 to 5.03

Monzani et al. [67]

0.50 mmHg*

− 6.79 to 7.79

Monzani et al. [68]

− 2.00 mmHg*

− 10.19 to 6.19

Nagasaki et al. [69]

− 3.40 mmHg**

− 10.56 to 3.76

Stott et al. [73]

− 0.1 mmHg*

− 2.1 to 2.4

Yazici et al. [76]

0.50 mmHg*

− 5.23 to 6.23

Zhao et al. [77]

− 2.54 mmHg*

− 6.65 to 1.57