Table 1 Demographic characteristics of obsessive-compulsive disorder (OCD) cases and controls
From: Brain areas involved with obsessive-compulsive disorder present different DNA methylation modulation
Variable | Parameters | OCD N = 8 | Controls N = 8 | p-value |
|---|---|---|---|---|
Age (years) | Mean ± SD | 76.4 ± 12.3 | 74.1 ± 13.6 | 0.73†|
Sex, n (%) | Female | 3 (37.5) | 3 (37.5) | 1.00††|
Male | 5 (62.5) | 5 (62.5) | ||
Education (years) | Mean ± SD | 2.2 ± 2.8 | 5.5 ± 5.4 | 0.19†††|
Alcoholism, n (%) | Yes | 1 (12.5) | 1 (12.5) | 1.00††|
Never/Stopped | 7 (87.5) | 7 (87.5) | ||
Smoking, n (%) | Yes | 3 (37.5) | 3 (37.5) | 1.00††|
Never/Stopped | 5 (62.5) | 5 (62.5) | ||
Brain volume (ml) | Mean ± SD | 1098.3 ± 77.9 | 1283.4 ± 302.7 | 0.19†††|
Brain weight (g) | Mean ± SD | 1151.7 ± 106.3 | 1182.1 ± 123.2 | 0.65†|
pH | Mean ± SD | 7.1 ± 0.6 | 6.7 ± 0.3 | 0.24†††|
Hemisphere, n (%) | Right | 3 (37.5) | 4 (50) | 1.00††|
Left | 5 (62.5) | 4 (50) | ||
Post-mortem interval (min) | Mean ± SD | 859.0 ± 179.3 | 891.1 ± 172.0 | 0.74†|