Table 1. .
Demographic Characteristics of the Samples Used in Gene Expression and Association Studies
| Study and Population |
N | Agea (years) |
Sexb | Diagnostic Tool |
| Expression study: | ||||
| Switzerland: | ||||
| Patient | 32 | 35.5±10.5 | 3.0 | DSM-IV26/DIGS27 |
| Control | 53 | 37.2±13.4 | .9 | DIGS |
| Association study: | ||||
| Switzerland: | ||||
| Patient | 40 | 35.9±11.5 | 3.5 | DSM-IV/DIGS |
| Control | 31 | 37.7±13.31 | 1.6 | DIGS |
| Denmark: | ||||
| Patient | 349 | 38.8±12.1 | 1.5 | ICD-10c |
| Control | 348 | 40.2±10.5 | 1.5 | … |
a
Expressed as the mean and range.
b
Ratio of males to females.
c
International Classification of Diseases, 10th Revision.