[Population heaviness of peptic ulcer disease: causing factors].

As it's criteria population heaviness of peptic ulcer disease is the frequency of perforated peptic ulcer per 100.000 population of the region, the country is taken. According to vast domestic and foreign data the gradation of this index is presented: up to 10 cases--low, 10-20--middle, 20-30--high, and over 30--extremely high. The level of peptic ulcer population heaviness depend of genetic, demographic peculiarities of the society, social and economic situation, chronobiologic features of time period and the effectiveness of the treatment. Highly developed industrial countries are characterized by low index now, CIS countries--middle and high index. The higher peptic ulcer population heaviness, the more often definite preventive surgery should be used.