Table 2. Prevalence of hypertension, by subgroup, in Brazilian adolescents.
| Subgroup | Number of studies | Total number of participants | Prevalence (%) | 95%CI | I2 (%) | p (Chi-squared) |
|---|---|---|---|---|---|---|
| Sex | ||||||
| Female | 16 | 7,230 | 6.5 | 4.2–9.1 | 94.2 | < 0.001 |
| Male | 16 | 6,887 | 9.3 | 5.6–13.6 | 96.9 | < 0.001 |
| Quality | ||||||
| High | 5 | 3,353 | 8.4 | 4.9–12.5 | 93.6 | < 0.001 |
| Moderate | 12 | 10,762 | 7.5 | 4.1–11.6 | 98.2 | < 0.001 |
| Method of measurement | ||||||
| Auscultatory | 11 | 10,349 | 7.4 | 4.9–10.4 | 96.0 | < 0.001 |
| Oscillometric | 6 | 3,766 | 8.2 | 2.6–16.5 | 98.7 | < 0.001 |
| Number of measurements | ||||||
| Three or more | 9 | 6,753 | 6.7 | 3.3–11.2 | 97.6 | < 0.001 |
| Two | 8 | 7,362 | 8.9 | 4.8–14.1 | 98.0 | < 0.001 |
| Sample estimation | ||||||
| Yes | 12 | 9,556 | 6.0 | 3.7–8.8 | 96.4 | < 0.001 |
| No | 5 | 4,559 | 12.6 | 6.9–19.7 | 97.6 | < 0.001 |
| Region | ||||||
| North | 1 | 420 | 6.9 | 4.7–9.5 | - | - |
| Northeast | 4 | 3,279 | 10.0 | 6.9–13.5 | 90.1 | < 0.001 |
| Midwest | 1 | 2,118 | 3.0 | 2.3–3.8 | - | - |
| Southeast | 6 | 3,063 | 4.3 | 1.4–8.5 | 95.8 | < 0.001 |
| South | 5 | 5,235 | 12.4 | 7.4–18.3 | 97.3 | < 0.001 |