Table 2.
Group characteristics for schizophrenia (SCZ); SD: standard deviation.
| SCZ patients | Healthy controls | Statistical comparison | |
|---|---|---|---|
| Participants | n = | n = | |
| Entire group | 75 | 82 | |
| Aachen | 13 | 13 | |
| Aachen #2 | 13 | 15 | |
| Utrecht | 10 | 10 | |
| Göttingen | 30 | 35 | |
| Lille | 9 | 9 | |
| Sex | Male/female | Male/female | Chi2 test |
| Entire group | 54/23 | 59/23 | 0.9946 |
| Aachen | 8/5 | 8/5 | 1.0000 |
| Aachen #2 | 11/2 | 12/3 | 0.7505 |
| Utrecht | 5/5 | 5/5 | 1.0000 |
| Göttingen | 24/6 | 28/7 | 1.0000 |
| Lille | 11/3 | 11/3 | 1.0000 |
| Age | Mean ± SD | Mean ± SD | ttest/ranksum |
| Entire group | 33.46 ± 9.61 | 33.79 ± 10.36 | 0.8372/0.9579 |
| Aachen | 38.54 ± 8.52 | 38.62 ± 10.29 | 0.9836/1.0000 |
| Aachen #2 | 33.38 ± 10.40 | 33.40 ± 11.36 | 0.9971/1.0000 |
| Utrecht | 32.68 ± 9.29 | 35.90 ± 12.99 | 0.5314/0.6769 |
| Göttingen | 31.27 ± 9.59 | 32.46 ± 9.44 | 0.6166/0.3936 |
| Lille | 34.44 ± 9.58 | 30.33 ± 8.26 | 0.3441/0.1371 |