Table 3.

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)
Diabetic40% (2/5)89% (260/293)
Hypertensive58% (7/12)87% (430/496)
Both diabetic and hypertensive67% (2/3)90% (185/206)
Neither diabetic nor hypertensive100% (4/4)79% (154/196)
All patients in study61% (11/18)85% (659/779)
  • * A true case is defined as persons who reported drinking >89 drinks in the past 30 days.