The number of North Korean defectors entering South Korea has been increasing rapidly since 1994. Two hundred North Korean defectors in South Korea were studied to identify their experiences of traumatic events in North Korea and during defection, and the correlation with Posttraumatic Stress Disorder (PTSD). Researchers conducted face-to-face interviews and assisted defectors in performing a self-report assessment of this survey. The study questionnaire consisted of demographic characteristics, the Traumatic Experiences Scale for North Korean Defectors, and the PTSD part of the Structured Clinical Interview for DSM-III-R Korean version. Prevalence rate of PTSD in defectors was 29.5%, with a higher rate for women. In factor analysis, the 25 items of traumatic events experienced in North Korea were divided into three factors: Physical Trauma, Political-Ideological Trauma, and Family-Related Trauma. In addition, the 19 items of traumatic events during defection were grouped into four factors: Physical Trauma, Detection and Capture-Related Trauma, Family-Related Trauma, and Betrayal-Related Trauma. In multifactorial logistic regression analysis, Family-Related Trauma in North Korea had a significant odds ratio.

We developed nomograms to predict disease recurrence in patients with Ta, T1 transitional cell carcinoma of the bladder. Thirty-eight training hospitals participated in this retrospective multicenter study. Between 1998 and 2002, a total of 1,587 patients with newly diagnosed non-muscle invasive bladder cancer were enrolled in this study. Patients with prior histories of bladder cancer, non-transitional cell carcinoma, or a follow-up duration of less than 12 months were excluded. With univariate and multivariate logistic regression analyses, we constructed nomograms to predict disease recurrence, and internal validation was performed using statistical techniques. Three-year and five-year recurrence-free rates were 64.3% and 55.3%, respectively. Multivariate analysis revealed that age (hazard ratio [HR]=1.437, p<0.001), tumor size (HR=1.328, p=0.001), multiplicity (HR=1.505, p<0.001), tumor grade (HR=1.347, p=0.007), concomitant carcinoma in situ (HR=1.611, p=0.007), and intravesical therapy (HR=0.681, p<0.001) were independent predictors for disease recurrence. Based on these prognostic factors, nomograms for the prediction of disease recurrence were developed. These nomograms can be used to predict the probability of disease recurrence in patients with newly diagnosed Ta, T1 transitional cell carcinoma of the bladder. They may be useful for patient counseling, clinical trial design, and patient follow-up planning.

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These results indicate that the TPH1 CC recessive genotype is likely to be a genetic risk factor for criminal behavior, especially homicidal behavior in patients with schizophrenia. However, COMT gene polymorphisms were not associated with criminal behavior in schizophrenic patients.

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