Table 3.
Mean Systolic and Diastolic Blood Pressure Readings and the Prevalence of Undiagnosed Hypertension Among Study Sample Stratified by Age Groups
| Age Group (Years) | American College of Cardiology/American Heart Association | European Society of Hypertension | Systolic BP (mmHg) | Diastolic BP (mmHg) | ||
|---|---|---|---|---|---|---|
| Stage 1 | Stage 2 | Grade 1 | Grade 2/3 | |||
| 20–29 | 72/165 (43.6%) | 29/165 (17.6%) | 24 /165 (14.5%) | 5 /165 (3.0%) | 118 (20.0) | 81 (12.0) |
| 30–39 | 44/123 (35.8%) | 31/123 (25.2%) | 27/123 (22.0%) | 4 /123 (3.2%) | 117 (23.0) | 81 (13.0) |
| 40–49 | 64/164 (39.0%) | 46/164 (28.0%) | 35/164 (21.3%) | 11/164 (6.7%) | 122 (21.0) | 84 (15.0) |
| 50–59 | 46/130 (35.4%) | 47/130 (36.1%) | 35/130 (26.9%) | 12/130 (9.2%) | 125 (22.0) | 85 (15.0) |
| 60–69 | 83/205 (40.5%) | 71/205 (34.6%) | 62/205 (30.2%) | 9/205 (4.4%) | 131 (14.6) | 84 (15.0) |
| 70–80 | 35/106 (33.0%) | 50/106 (47.2%) | 45/106 (42.4%) | 5/106 (4.7%) | 135 (19.0) | 86 (11.0) |
Note: Prevalence of undiagnosed hypertension was significantly different among the age groups (P value <0.001 using Chi square test).