Abstract
Abstract Background and Aims Hemodialysis (HD) patients have a higher mortality rate compared to general population. However, no study has investigated life expectancy in Korean HD patients so far. Therefore, this study aimed to calculate the remaining life expectancy among Korean maintenance HD patients and compare it to those of general population as well as HD patients from other countries. Method Baseline data were retrieved from HD quality assessment data from October to December 2015. Among the total number of patients who were alive at the beginning of 2016 (20,537 men and 14,404 women), a total of 22,439 (12,848 men and 9,591 women) were still alive at the end of 2021 while 12,502 (7,689 men and 4,813 women) were deceased during 6 years of follow-up. We used the life table method to calculate the expected remaining years of life in two-year increments. Results The mean age of the patients was 60.5 ± 12.4 years, and 58.7% were male. The average duration of HD was 5.63 ± 5.11 years. The most common cause of end-stage kidney disease was diabetes mellitus (42.0%), followed by hypertension (27.1%) and glomerulonephritis (10.9%). The remaining life expectancy for 60-year-old patients were 11.64 years for men and 14.64 years for women. The average remaining lifetimes of the HD population were only about a half of the general population (Fig.). Diabetic patients demonstrated shorter life expectancy compared to the patients with hypertension or glomerulonephritis. The remaining life expectancy of Korean HD patients was similar to that of Japanese and was almost double that of HD patients in Western countries such as Europe and United States. Conclusion HD population showed shorter life expectancy compared to the general population. Asian HD population seemed to demonstrate better patient survival compared to other countries. Longitudinal analysis should be warranted to analyze the effect of advanced dialysis technology upon improved survival rate among HD population.
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