Table 1.
Descriptive statistics for the samples analyzed. WTCCC: Wellcome-Trust Case Control Consortium bipolar disorder sample; GAIN Depression: Genetic Association Information Network major depressive disorder sample; STEP-BD: STEP-BD bipolar disorder sample; NIMH Bipolar: NIMH bipolar disorder sample; German: German bipolar disorder sample. Counts refer to subjects who passed all quality control filters (see Methods).
| Sample | Cases | Case Diagnosis | Controls | Platform |
|---|---|---|---|---|
| WTCCC | 1854 | Bipolar I, bipolar II, schizoaffective bipolar | 2943 | Affymetrix 500K |
| GAIN MDD | 1722 | Major depressive disorder | 1774 | Perlegen |
| STEP-BD | 1461 | Bipolar I, bipolar II, schizoaffective bipolar | 2008 | Affymetrix 500K |
| NIMH Bipolar | 1001 | Bipolar I, schizoaffective bipolar | 1033 | Affymetrix 6.0 |
| German | 645 | Bipolar I | 1310 | Illumina HumanHap 550 |
| Total | 6683 | 9068 | ||