Table 2.
Comparison of DAWBA and clinician diagnoses
| Diagnostic category | Prevalence (%) | Sensitivity % (95% CI*) | Specificity% (95% CI) | Positive predictive value % (95% CI) | Negative predictive value% (95% CI) | Positive likelihood ratio (95% CI) | Negative likelihood ratio (95% CI) | Kappa (κ) |
|---|---|---|---|---|---|---|---|---|
| Any disorder | 88 (74–95) | 90 (77–97) | 83 (36–99) | 97 (85–99) | 55 (22–84) | 5.4 (0.9–32) | 0.1 (0.04–0.2) | 0.61 |
| Emotional disorders | 44 (30–58) | 95 (75–99) | 89 (70–97) | 87 (66–96) | 96 (78–99) | 8.9 (3–26) | 0.05 (0.007–0.3) | 0.84 |
| ADHD | 34 (21–48) | 70 (44–88) | 100 (87–100) | 100 (69–100) | 86 (71–95) | ∞ | 0.2 (0.1–0.6) | 0.76 |
| Behaviour disorders | 10 (3–22) | 100 (46–100) | 82 (67–91) | 38 (15–67) | 100 (88–100) | 5.6 (3–10) | 0 (0–Na) | 0.48 |
| Other disorders | 26 (15–40) | 38 (15–67) | 97 (84–99) | 83 (36–99) | 81 (66–91) | 14 (1.8–110) | 0.6 (0.4–0.9) | 0.43 |
*Confidence interval.