Responders vs non-responders at a 24-month follow-up
| Responders (n=14/73.7%) | Non-responders (n=5/26.3%) | P value | |
| Gender (M/F) | 2–12 | 5–0 | 0.0018 |
| Age at onset (years) | 10.7±8 | 18.4±2.3 | NS |
| Age at surgery (years) | 38.6±7.4 | 44.4±9.2 | NS |
| Duration | 18.9±7.2 | 26±11.2 | NS |
| Type of OCD | |||
| C | 7 | 3 | NS |
| W | 5 | 1 | NS |
| A | 2 | 0 | NS |
| H | 0 | 1 | NS |
| R | 3 | 2 | NS |
OCD type=C: doubt/checking; W: contamination/washing; A: aggressive; H: hoarding; R: repetitive, just right obsessions. A same patient can suffer from different types of OCD symptoms.
NS, no statistically significant difference; OCD, obsessive–compulsive disorder.