Table 2.
Predicted 10-year Cardiovascular Risk Category in Diabetic Participants for Models Including HbA1c Compared to Classification of Diabetes as a Cardiovascular Risk Equivalent
| Predicted 10-Year Risk Category from Model with HbA1c | Total | ||||
|---|---|---|---|---|---|
| <5% | 5 to <10% | 10 to <20 % | 20+ % | ||
| WHS, ATP III | |||||
| N (%) | 135 (19.7%) | 155 (22.6%) | 203 (29.6%) | 192 (28.0%) | 685 |
| Kaplan-Meier | 2.8 % | 15.2 % | 17.8 % | 32.9 % | 18.6% |
| Event Rate (95% CI) | (0%, 5.9%) | (8.6%, 21.2%) | (11.7%, 23.5%) | (25.2%, 39.9%) | (15.3%, 21.8%) |
| Cases/Non-Cases at 8 years | 3/129 | 19/134 | 29/166 | 52/134 | 103/563 |
| WHS, RRS | |||||
| N (%) | 132 (19.3%) | 151 (22.0%) | 211 (30.8%) | 191 (27.9%) | 685 |
| Kaplan-Meier | 1.9 % | 14.0 % | 20.5 % | 31.4 % | 18.6% |
| Event Rate (95% CI) | (0.0%, 4.5%) | (7.6%, 20%) | (14.2%, 26.3%) | (23.7%, 38.3%) | (15.3%, 21.8%) |
| Cases/Non-Cases at 8 years | 2/128 | 17/130 | 35/170 | 49/135 | 103/563 |
| PHS II, ATP III | |||||
| N (%) | 2 (0.3%) | 20 (3.6%) | 116 (20.6%) | 425 (75.5%) | 563 |
| Kaplan-Meier | 58% (0.0%, | 12.3% (0.0%, | 26.4% | 34.9% | 32.4% |
| Event Rate (95% CI) | 92.6%) | 27.0%) | (17.0%, 34.8%) | (29.6%, 39.8%) | (28.0%, 36.6%) |
| Cases/Non-Cases at 8 years | 1/1 | 2/17 | 25/88 | 119/269 | 147/375 |
| PHS II, RRS | |||||
| N (%) | 3 (0.5%) | 23 (4.1%) | 116 (20.6%) | 421 (74.8%) | 563 |
| Kaplan-Meier | 39.8% | 10.7% | 24.2% | 35.9% | 32.4% |
| Event Rate (95% CI) | (0.0%, 77.8%) | (0.0%, 23.8%) | (15.1%, 32.4%) | (30.5%, 40.8%) | (28.0%, 36.6%) |
| Cases/Non-Cases at 8 years | 1/2 | 2/20 | 23/91 | 121/262 | 147/375 |
WHS = Women’s Health Study, PHS II = Physician’s Health Study II, ATP III = base covariates from Adult Treatment Panel III, RRS = base covariates from Reynolds risk score