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Table 13 Difference in means between treatment and control groups for DBP 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** | − 3.34 to 1.34 |
| Mainenti et al. [65] | 23 (11 vs. 12) | − 5.4 mmHg* | − 11.08 to 0.28 |
| Monzani et al. [67] | 20 (10 vs. 10) | 3.80 mmHg* | − 2.42 to 10.02 |
| Monzani et al. [68] | 45 (23 vs. 22) | − 3.00 mmHg* | − 7.97 to 1.97 |
| Nagasaki et al. [69] | 95 (48 vs. 47) | − 0.10 mmHg** | − 4.22 to 4.02 |
| Stott et al. [73] | 638 (318 vs. 320) | − 0.1 mmHg* | − 1.5 to 1.3 |
| Yazici et al. [76] | 45 (23 vs. 22) | − 0.50 mmHg* | − 5.53 to 4.53 |
| Zhao et al. [77] | 369 (210 vs. 159) | − 0.13 mmHg* | − 2.42 to 2.16 |
