TABLE 2. Studies Selected for Meta-Analyses of Each Patient Group.
| Patient Group and Direction of Signal Change in Gray Matter |
Number of Studies |
Number of Patients |
Number of Comparison Subjects |
Number of Coordinates |
Reference Numbers of Studies Included |
|---|---|---|---|---|---|
| First-episode schizophrenia | |||||
| Increase | 2 | 54 | 60 | 20 | 37, 41 |
| Decrease | 7 | 170 | 188 | 80 | 21, 25-27, 29, 37, 41 |
| Chronic schizophrenia | |||||
| Increase | 9 | 523 | 495 | 27 | 19, 22-24, 30, 34, 38, 40, 42 |
| Decrease | 20 | 809 | 798 | 220 |
18-20, 22-24, 28, 30-36, 38-40, 42-44 |