Table 2.
Comparisons of Global Volume Measures (cm3) of the 4 Groups of Men With Schizophrenia and Conduct Disorder, Men With Schizophrenia and No Conduct Disorder, Men With Conduct Disorder, and Healthy Men
| Global Volume Measures | SZ+CD (n = 27) | Healthy (n = 25) | SZ–CD (n = 23) | CD (n = 27) | Group Comparisons (ANOVA) Bonferroni Adjusted (P < .003) | |
|---|---|---|---|---|---|---|
| Statistics | Post Hoc Tukey tests (Bonferroni) | |||||
| Mean total brain volume ± SD | 1436±111 | 1491±141 | 1502±103 | 1460±111 | F 3,98 = 1.7, P = .172 | NA |
| Mean total GM volume ± SDa | 598±30 | 614±44 | 594±41 | 621±29 | F 3,98 = 3.3, P = .023 | CD > SZ–CD |
| Mean total WM volume ± SDa | 628±25 | 635±38 | 629±32 | 630±24 | F 3,98 = 0.2, P = .882 | NA |
| Mean total CSF volume ± SDa | 243±20 | 220±28 | 246±32 | 217±26 | F 3,98 = 8.0, P < .001 | SZ+CD, SZ–CD > H, CD |
Note: Following abbreviations are explained in the footnote to table 1: SZ+CD, SZ–CD, CD, NA; GM, gray matter; WM, white matter; and CSF, cerebrospinal fluid.
aVolumes adjusted by brain size (ie, scaled by each individual’s total brain volume).