Table 2.
Frequencies of white-matter hyperintensities across separate psychosis subgroups and healthy controls
| Overall psychosis group n=129 n (%) | Affective psychoses n=53 n (%) | Schizophrenia/schizophreniform psychosis n=64 n (%) | Bipolar disorder n=25 n (%) | Unipolar depression n=28 n (%) | Controls n=102 n (%) | |
|---|---|---|---|---|---|---|
| Total white-matter hyperintensities | 32 (24.8) | 12 (22.6) | 18 (28.1) | 7 (28.0) | 5 (17.9) | 30 (29.4) |
| Periventricular white-matter hyperintensities | ||||||
| Total | 2 (1.6) | 1 (1.9) | 1 (1.6) | 1 (4.0) | 0 (0.0) | 6 (5.9) |
| Frontal | 2 (1.6) | 1 (1.9) | 1 (1.6) | 1 (4.0) | 0 (0.0) | 6 (5.9) |
| Bands | 0 (0.0) | 0 (0.0) | 0 (0.0) | 0 (0.0) | 0 (0.0) | 2 (2) |
| Occipital | 1 (0.8) | 1 (1.9) | 0 (0.0) | 1 (4.0) | 0 (0.0) | 1 (0.4) |
| Deep white-matter hyperintensities | ||||||
| Total | 32 (24.8) | 12 (22.6) | 18 (28.1) | 7 (28.0) | 5 (17.9) | 26 (25.5) |
| Frontal | 29 (22.5) | 12 (22.6) | 15 (23.4) | 7 (28.0) | 5 (17.9) | 21 (20.6) |
| Parietal | 14 (10.9) | 6 (11.3) | 7 (10.9) | 4 (16) | 2 (7.1) | 15 (14.7) |
| Temporal | 1 (0.8) | 0 (0.0) | 1 (1.6) | 0 (0.0) | 0 (0.0) | 0 (0.0) |
| Occipital | 1 (0.8) | 0 (0.0) | 1 (1.6) | 0 (0.0) | 0 (0.0) | 1 (1.0) |