Research Paper Volume 12, Issue 2 pp 1433—1445

Association between TNF-alpha polymorphism and the age of first suicide attempt in chronic patients with schizophrenia

Figure 1. The initiation age of suicidal behaviors in the patients with schizophrenia. The sample means are indicated by the black bars. The initiation age of suicidal behaviors was significantly higher in C allele carriers than those with TT allele (p < 0.05).