[Survival rate of older men in dependence of QT corrected interval duration].

The survival rate of 724 men of 60 years and upward in dependence of duration QT corrected interval was studied. To smooth the age influence on survival rate, the groups with various QTc values were leveled by age. The survival rate (Kaplan-Meier) analysis was made among 228 persons. Men aged 60 years and upward were not observed the prolongation of OTc with age increase. The survival rate of these men depended on QTc duration: if QTc was 380-409 ms the survival rate was better than in cases OTc > or = 410 ms (p < 0.006). The relative risk of a fatal outcome in men with QTc duration > or = 410 ms was 1,6 times more than in men with QTc duration 380-409 ms (95 % CI 1.1-2.3).