Characteristics of demographic, clinical and laboratory variables in the study groups
| Variables | Total n=170 | LR-patients n=43 | M/HR-patients n=127 | T/χ2 (p value) | |
| Male gender, n (%) | 76 (44.7) | 16 (37.2) | 60 (47.2) | 1.3 (0.25) | |
| Age (years), mean (SD) | 55.4 (10.3) | 45.5 (8.6) | 58.7 (8.5) | −8.7 (0.00) | |
| Colour skin, n (%) | White | 84 (49.4) | 17 (39.5) | 67 (52.7) | 4.5 (0.10) |
| Mestizo | 62 (36.5) | 16 (37.2) | 46 (36.2) | ||
| Black | 24 (14.1) | 10 (23.3) | 14 (11.1) | ||
| SBP (mm Hg), mean (SD) | 139.4 (21.1) | 130.9 (17.7) | 142.4 (21.6) | −3.1 (0.00) | |
| DBP (mm Hg), mean (SD) | 87.6 (12.6) | 84.7 (11.7) | 88.7 (12.8) | −1.8 (0.07) | |
| HT, n (%) | 132 (77.6) | 32 (74.4) | 100 (78.7) | 0.3 (0.56) | |
| BP ≤140/90, n=132, n (%) | 50 (37.9) | 18 (56.3) | 32 (32.3) | 4.3 (0.03) | |
| Glycaemia (mmol/L), mean (SD) | 5.7 (1.4) | 5.3 (0.7) | 5.8 (1.5) | −1.8 (0.07) | |
| Diabetes, n (%) | 38 (22.4) | 0 | 38 (29.9) | 16.6 (0.00) | |
| Smoking, n (%) | 53 (31.2) | 6 (13.9) | 47 (37) | 7.9 (0.00) | |
| Obesity, n (%) | 32 (18.8) | 6 (13.9) | 26 (20.5) | 1.2 (0.27) | |
| Total cholesterol (mg/dL), mean (SD) | 205.8 (44) | 200.9 (46.1) | 207.4 (43.4) | −0.8 (0.44) | |
| Total triglycerides (mg/dL), mean (SD) | 138.4 (67.6) | 127.6 (53) | 141.6 (71.3) | −1.1 (0.01) | |
BP ≤140/90: BP reading at inclusion ≤140/90.
BP, blood pressure; DBP, diastolic blood pressure; HT, hypertension; LR, low risk; M/HR, moderate/high risk; SBP, systolic blood pressure.