Abstract
In 1993, the Japanese Society for Dialysis Therapy conducted a statistical survey of 2, 641 facilities in Japan and received replies from 2, 629 facilities (99.55%). As of the end of 1993, there were 134, 298 chronic dialysis patients in Japan, an increase of 10, 372 patients (8.4%) over a year from the end of 1992. Gross mortality was 9.4%, which was the second high mortality since 1983. Logistic regression analysis of an overview of regular dialysis treatment in Japan revealed the factors affecting the one-year survival rate: Kt/V in excess of 1.6; over 5 hours per dialysis session (i.e., more than 15 hours' dialysis time/week); protein catabolic rate (PCR) of 1.1-1.3g/kg/day in non-diabetes patients and 0.9-1.1g/kg/day in diabetes patients; post dialysis weight loss of 2.0-6.0%. Moreover, the mortality rate is reportedly lower as the creatinine generation index is higher. The same results were obtained from investigation of the factors influencing the frequency of hospitalization.
