Table 2.
The mean and standard deviation of pre-/postintervention in systolic and diastolic blood pressure changes across different continents.
| Blood pressure changes | Continents | Number of articles | I 2 | Sample size | Egger test | Mean ± SD |
|---|---|---|---|---|---|---|
| Systole (before intervention) | Asia | 21 | 99.2 | 806 | 0.706 | 140.4 ± 1.7 |
| Europe | 15 | 94.1 | 411 | 0.051 | 140.2 ± 2.4 | |
| America | 32 | 98 | 1040 | 0.503 | 135.3 ± 1.8 | |
| Africa | 1 | 0 | 15 | — | 130.6 ± 1.6 | |
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| Systole (after intervention) | Asia | 21 | 99 | 806 | 0.627 | 134.2 ± 1.8 |
| Europe | 15 | 96.1 | 411 | 0.119 | 136.5 ± 2.4 | |
| America | 32 | 98.6 | 1040 | 0.793 | 129.1 ± 2.1 | |
| Africa | 1 | 0 | 15 | — | 123 ± 2.3 | |
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| Diastole (before intervention) | Asia | 21 | 99.5 | 806 | 0.990 | 81.8 ± 1.3 |
| Europe | 15 | 98 | 411 | 0.051 | 81.2 ± 2.01 | |
| America | 31 | 98.6 | 990 | 0.138 | 78.7 ± 1.5 | |
| Africa | 1 | 0 | 15 | — | 83.8 ± 1.05 | |
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| Diastole (after intervention) | Asia | 21 | 97.7 | 806 | 0.797 | 78.1 ± 0.56 |
| Europe | 15 | 97 | 411 | 0.111 | 77.9 ± 1.4 | |
| America | 31 | 99.1 | 990 | 0.207 | 75.06 ± 1.6 | |
| Africa | 1 | 0 | 15 | — | 78 ± 1.3 | |