Table III.
Risk of First CVD Event by Maximum BP Categorya
| Hazard Ratio | 95.0% CI (Lower, Upper) | P Value | |
|---|---|---|---|
| Age (10 y) | 1.57 | (1.50, 1.65) | <.001 |
| Male sex | 1.29 | (1.11, 1.51) | .001 |
| Black race | 1.30 | (1.11, 1.53) | .001 |
| Diabetes | |||
| HbA1c <6.0% | .81 | (0.44, 1.48) | .492 |
| HbA1c 6.0%–6.9% | 1.51 | (1.16, 1.96) | .002 |
| HbA1c 7.0%–8.9% | 1.88 | (1.46, 2.43) | <.001 |
| HbA1c≥9.0% | 3.03 | (2.37, 3.87) | <.001 |
| Hyperlipidemia | 1.17 | (1.01, 1.39) | .037 |
| BP category | |||
| Mild | 1.66 | (1.29, 2.14) | <.001 |
| Moderate | 2.13 | (1.64, 2.77) | <.001 |
| Severe | 3.89 | (2.99, 5.07) | <.001 |
Abbreviations: HbA1c, hemoglobin A1c; CI, confidence interval; CVD, cardiovascular disease. aAdjusted for age, sex, race, diabetic status, and hyperlipidemia. Reference category for diabetes is nondiabetic and reference for blood pressure (BP) category is normal.