Table 2.
Measures of agreement between two methods of identifying major depressive disorder.
| PQ-MDD | Agreement | |||||
|---|---|---|---|---|---|---|
| EHR-MDD | Cases (n = 12,506) | Controls (n = 42,444) | Excluded by PQ-BD | Overall | Case | Control |
| Cases (n = 9409) | 6689 | 2720 | 175 | 84.5 % | 61.0 % | 90.3 % |
| Controls (n = 45,541) | 5817 | 39724 | 251 | |||
| Excluded by EHR-BD | 182 | 98 | 373 | |||
Case and control counts do not include participants excluded by any method.
BD, bipolar disorder; EHR, electronic health record; MDD, major depressive disorder; PQ, participant questionnaire.