Table 2.
Sensitivity, Specificity and Likelihood Ratios for the Detection of Unhealthy Alcohol Use: Single Screening Question and AUDIT-C (n = 286)
| For detection of: | Sensitivity (95% CI) | Specificity (95% CI) | ||
|---|---|---|---|---|
| Single Question | AUDIT-C | Single Question | AUDIT-C | |
| Risky consumption amounts | 84% (75%, 91%) | 74% (64%, 83%) | 78% (72%, 84%) | 81% (76%, 86%) |
| Alcohol related problems or disorder | 84% (74%, 91%) | 80% (69%, 88%) | 75% (69%, 80%) | 80% (74%, 85%) |
| Current alcohol use disorder | 88% (73%, 95%) | 88% (73%, 95%) | 67% (61%, 72%) | 72% (67%, 78%) |
| Unhealthy alcohol use (risky amounts or disorder) | 82% (73%, 89%) | 73.9% (64%, 82%) | 79% (73%, 84%) | 83% (77%, 87%) |
| For detection of: | Positive LR (95% CI) | Negative LR (95% CI) | ||
| Single Question | AUDIT-C | Single Question | AUDIT-C | |
| Risky consumption amounts | 3.9 (3.0, 5.2) | 4.0 (2.9, 5.5) | 0.2 (0.1, 0.3) | 0.3 (0.2, 0.4) |
| Alcohol related problems or disorder | 3.4 (2.6, 4.3) | 4.0 (3.0, 5.4) | 0.2 (0.1, 0.4) | 0.3 (0.2, 0.4) |
| Current alcohol use disorder | 2.6 (2.1, 3.3) | 3.2 (2.5, 4.0) | 0.2 (0.1, 0.4) | 0.2 (0.1, 0.4) |
| Unhealthy alcohol use (risky amounts or disorder) | 4.0 (3.0, 5.3) | 4.3 (3.1, 6.0) | 0.2 (0.1, 0.4) | 0.3 (0.2, 0.4) |