Table 1.
Demographic characteristics of obsessive-compulsive disorder (OCD) cases and controls (n = 14).
| Variable | Parameters | OCD (ss = 6) | Control (ss = 8) | p-value |
|---|---|---|---|---|
| Age (years)* | Median | 79.0 | 74.5 | 0.64 |
| Mean (SE) | 79.8 (5.1) | 74.1 (4.8) | ||
| Sex n (%)** | Female | 2 (33) | 3 (38) | 0.87 |
| Male | 4 (67) | 5 (62) | ||
| Hemisphere n (%)** | Left | 4 (67) | 4 (50) | 0.67 |
| Right | 2 (33) | 4 (50) | ||
| Education in years* | Median | 2.0 | 4.0 | 0.29 |
| Mean (SE) | 2.7 (1.3) | 5.5 (1.9) | ||
| Alcohol abuse (%)** | Never | 5 (83) | 6 (75) | 0.71 |
| Yes | 1 (17) | 2 (25) | ||
| Tobacco abuse (%)** | Never | 3 (50) | 2 (25) | 0.34 |
| Yes | 3 (60) | 6 (75) | ||
| Postmortem interval in hours* | Median | 15:20 | 14:27 | 1.00 |
| Mean (SE) | 15:26 (1:02) | 14:51 (1:05) | ||
| NPI n (%)** | Nil | 2 (33) | 7 (87) | 0.05 |
| Positive | 4 (67) | 1 (13) | ||
| Volume (ml) 1 missing in each arm* | Median | 1100 | 1192 | 0.1 |
| Mean (SE) | 1078 (35) | 1283 (116) | ||
| Mass (g) 1 missing in each arm* | Median | 1162 | 1220 | 0.56 |
| Mean (SE) | 1152 (56) | 1182 (47) |
(%)* Test for median; (%)** test for log odds ratio; ss = sample size; n = frequency; NPI = Neuropsychiatric Inventory.