Sensitivity and Specificity of %CDT in a Sample of Patients with Diabetes and/or Hypertension and Control Subjects (n = 799)
| Sensitivity* (Positive %CDT/True Cases) | Specificity* (Negative %CDT/True-Negatives) | |
|---|---|---|
| Diabetic | 40% (2/5) | 89% (260/293) |
| Hypertensive | 58% (7/12) | 87% (430/496) |
| Both diabetic and hypertensive | 67% (2/3) | 90% (185/206) |
| Neither diabetic nor hypertensive | 100% (4/4) | 79% (154/196) |
| All patients in study | 61% (11/18) | 85% (659/779) |
* A true case is defined as persons who reported drinking >89 drinks in the past 30 days.