Table 3.
Diagnostic concordance of CIDI/DSM‐IV MDE and MDE/DYS diagnoses with composite K‐SADS ratings in the NCS‐A clinical reappraisal sample (n = 321)
| Prevalence | Concordancea | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| K‐SADS | CIDI | SN | SP | PPV | NPV | Kappa | AUC | ||||||||
| Percent | (SE) | Percent | (SE) | χ 2 | Est | (SE) | Est | (SE) | Est | (SE) | Est | (SE) | Est | ||
| Part I: Major Depressive Episode | |||||||||||||||
| MDE Youth CIDI versus Clinician K‐SADS | 17.5 | (2.4) | 12.6 | (2.0) | 6.9* | 53.9 | (7.2) | 96.2 | (1.3) | 75.0 | (7.3) | 90.7 | (2.0) | 0.56 | 0.75 |
| MDE Parent CIDI versus Clinician K‐SADS | 17.5 | (2.4) | 8.6 | (1.6) | 25.1* | 43.1 | (7.3) | 98.8 | (1.1) | 88.1 | (9.9) | 89.1 | (2.1) | 0.52 | 0.71 |
| MDE Composite CIDI versus Clinician K‐SADS | 17.5 | (2.4) | 17.7 | (2.1) | 0.0 | 78.4 | (7.3) | 95.3 | (1.6) | 77.8 | (7.0) | 95.4 | (1.8) | 0.74 | 0.87 |
| Part II: Major Depressive Episode or Dysthymic Disorder | |||||||||||||||
| MDE/DYS Youth CIDI versus Clinician K‐SADS | 19.8 | (2.5) | 13.0 | (2.1) | 10.5* | 52.4 | (6.8) | 96.8 | (1.3) | 80.1 | (6.9) | 89.1 | (2.2) | 0.57 | 0.75 |
| MDE/DYS Parent CIDI versus Clinician K‐SADS | 19.8 | (2.5) | 9.1 | (1.6) | 33.9* | 43.7 | (6.7) | 99.5 | (0.5) | 95.6 | (4.2) | 87.7 | (2.2) | 0.54 | 0.72 |
| MDE/DYS Composite CIDI versus K‐SADS | 19.8 | (2.5) | 18.0 | (2.2) | 1.1 | 76.5 | (6.4) | 96.4 | (1.4) | 84.2 | (5.7) | 94.3 | (1.9) | 0.75 | 0.86 |
a
SN, sensitivity; SP, specificity; PPV, positive predictive value; NPV, negative predictive value; Kappa, Cohen's Kappa; AUC, area under the receiver operating characteristic curve.
*
The prevalence estimate based on the CIDI differs significantly from the estimate based on the K‐SADS at 0.05 level, two‐sided test.