RISK OF DEVELOPING END-STAGE RENAL-DISEASE IN A COHORT OF MASS-SCREENING

The prognostic significance of abnormal findings has not been demonstr ated in a setting of mass screening. To evaluate the relative risk of end-stage renal disease (ESRD) indicated by various results of communi ty-based mass screening, we utilized the registries of both community mass screening and chronic dialysis programs. In 1983, a total of 107, 192 subjects over 18 years of age (51,122 men and 56,070 women) partic ipated in dipstick urinalysis and blood pressure measurement in Okinaw a, Japan. During ten years of follow-up, we identified 193 dialysis pa tients (105 men and 88 women) among them. Logistic regression analysis of clinical predictors of ESRD over 10 years was done and the adjuste d odds ratio and 95% confidence interval were calculated in each of th e predictors with adjustment to others. In the clinical predictors suc h as sex, age at screening, proteinuria, hematuria, systolic and diast olic blood pressure, proteinuria was the most potent predictor of ESRD (adjusted odds ratio 14.9, 95% confidence interval 10.9 to 20.2), and the next most potent predictor was hematuria (adjusted odds ratio 2.3 0, 95% confidence interval 1.62 to 3.28). Being of male gender was a s ignificant risk factor for ESRD (adjusted odds ratio 1.41, 95% confide nce interval 1.04 to 1.92). Diastolic blood pressure was also a signif icant predictor of ESRD (adjusted odds ratio 1.39, 95% confidence inte rval 1.17 to 1.64), but systolic blood pressure was not. In a mass scr eening setting, positive urine test, high diastolic blood pressure, an d male sex were identified as the significant predictors of ESRD. Effe ct of glycosuria and other possible predictors of ESRD remained to be determined.