| Objective:To understand the residents’ health status and the prevalence of urinary lithiasis, explore the main risk factors of urinary tract stones in Yongfeng County, Jiangxi Province, and provide scientific basis of prevention and treatment for urinary lithiasis. Methods:A cluster random sampling method was used to sample the population, which include community residents, industrial workers, medical personnel, education workers, electric power supply company staff, and administrative workers, then take a health physical examination and urinary stone screening by using B-mode ultrasonography for the population. At the same time, a method of case-control design was adopted to collect 216 patients with urinary lithiasis and 232 of the others without it as control, these two groups were interviewed with uniform questionnaire, and the EpiData 3.0 was used to establish the database and do the data entry, then the data were analyzed by SPSS19.0 software with the test level α=0.05. The risk factors were determined by univariate and multivariate logistic regression analysis. First of all, the factors which are affecting the prevalence of urinary lithiasis were analyzed by single factor Logistic; Secondly, the Multiple factor logistic regression model were conducted to analyse the factors that its difference had statistics significance between the case and control; Finally, the regression model was established. Results:1. In this physical examination, a total of 7340 valid physical examination data were collected, of which 4344 were males(59.2%), and 2996 cases(40.8%) were females. In this physical examination, the youngest one is 4 years old, and the oldest one is 99 years old, the average age are 58.27±12.18 years old. There are 1995 cases with abnormal BMI index and the abnormal detection rate was 29.99%, while 416 cases involved in this physical examination were underweight(6.3%), 1359 cases were overweight(20.4%), and 220 people were obesity(3.3%).2. The relevance ratios of the urinary tract stones, dyslipidemia and dysarteriotony were located in the top three as 30.8%, 27.3% and 17.8% respectively. Furthermore, the relevance ratios of the dysarteriotony, gallbladder disease, IFG(impaired fasting glucose), and the abnormal level of uric acid were higher in males than in female, and the female relevance ratio for urinary tract infection is higher than the male’s. In the entire disease situation, urinary lithiasis prevelance rate was the highest one as 30.8%, the standardized prevalence rate was 19.93%, far higher than other domestic areas, however, the other abnormal detection rate is consistent with other domestic areas.3. In the entire 2258 patients with urinary lithiasis, 1359(60.2%) were males, 899 were females, the male to female ratio was 1.51:1. At the same time, there are 1336 urinary lithiasis patients suffering from other diseases, accounting for 60.2%, most of them suffering from the abnormal blood pressure and dyslipidemia, accounting for 27.3% and 14.8% respectively.4. It was comparable between the urinary lithiasis case group and control group, the univariate logistic regression analysis revealed that there were 19 variables had statistical significances, including the degree of education, housing types, places of residence, occupation, diabetes, liver and gallbladder stones, hospitalizations in recent years, medication situation in the lastest two weeks, over-emphasized taste, drinking of tea, the amount of daily drinking underground water and tap water, the participation of physical exercise in the latest year, the frequency of weekly consumption of coarse grains, meat, eggs, animal oil, fruit, vegetables, beans and bean-products.5. After the multiariable logistic regression analysis, finally 8 variables entered the last model of the non-conditioned logistic multivariate regression, and ranked by risk factors of the impact on urinary lithiasis as follow: liver and gallbladder stones(OR=30.180, 3.293~271.697), the frequency of weekly consumption of beans and bean-conducts(OR=9.701, 2.183~43.110), over-emphasized taste(OR=7.986, 3.293~19.369), more much weekly consumption of fruit and vegetables(OR=4.133, 1.756~7.726).The hospitalizations in the latest year(OR=0.092, 0.033~0.255), the medication situation in the last two weeks(OR=0.289, 0.107~0.776), a large amount of daily drinking water(OR=0.041, 0.003~0.587), taking physical exercise frequently(OR=0.215, 0.041~1.136) were protective factors of urinary lithiasis. Conclusion:In Yongfeng county, the revelance ratios in the top three were the urinary lithiasis(30.8%), dyslipidemia(27.3%) and dysarteriotony(17.8%) respectively, and the prevalence rate of urinary lithiasis was significantly higher than other domestic regions, however, the detection rate of other diseases were equal to or even lower than other domestic areas. The prevalence rate of urinary lithias is was affected by the dietary habits mostly in this area while the role of personal factors, social and economic conditions, and the effect of environmental factors can’t be ignored. |
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