Table 2.
Percentage (%) distribution of blood pressure levels in a rural population of Yi ethnic group in southwest China, 2012
| Normotensive or controlled hypertensive | Hypertensive* | ||||||
|---|---|---|---|---|---|---|---|
| Age group (yrs) | n | Optimal | Normal | High normal | Stage 1 | Stage 2 | Stage 3 |
| SBP | <120 | 120-129 | 130-139 | 140-159 | 160-179 | ≥180 | |
| DBP | <80 | 80-84 | 85-89 | 90-99 | 100-109 | ≥110 | |
| Male (total) | 950 | 20.2 | 19.6 | 22.5. | 18.7 | 11.2 | 7.8 |
| 50-59 | 266 | 25.6 | 24.2 | 17.1 | 16.4 | 10.2 | 6.5 |
| 60-69 | 362 | 24.1. | 18.9 | 23.4 | 17.2 | 10.8 | 7.6 |
| 70-79 | 243 | 13.5 | 16.3 | 26.6 | 20.4 | 13.8 | 9.4 |
| 80- | 79 | 20.3 | 18.6 | 18.1 | 20.2 | 14.6 | 8.2 |
| Female (total) | 1258 | 23.7 | 17.2 | 20.0 | 19.6 | 11.1 | 8.6 |
| 50-59 | 393 | 27.2 | 25.4 | 15.1 | 16.6 | 10.4 | 5.3 |
| 60-69 | 458 | 20.6 | 18.8 | 21.3 | 18.9 | 11.2 | 9.2 |
| 70-79 | 332 | 15.5. | 17.2 | 24.5 | 20.1 | 12.7 | 10.0 |
| 80- | 75 | 18.9 | 12.7 | 16.4 | 25.4 | 17.2 | 9.4 |
*For hypertensive, stage 1 refers to SBP between 140 and 159 mmHg, DBP between 90 and 99 mmHg; stage 2 refers to SBP between 160 and 179 mmHg, DBP between 100 and109 mmHg; and stage 3 refers to SBP ≥ 180 mmHg, DBP ≥ 110 mmHg.