This is Rita Rubin, writing in USA Today:
The fastest-growing group of patients starting dialysis in the USA is 75 and older. And the average age at which an American goes on dialysis is now older than 64….
Among patients who begin dialyzing in their 80s and 90s, nearly half are suffering from congestive heart failure and one-third from diabetes or cardiovascular disease. One survey of nephrologists, or kidney doctors, found that nearly half would be willing to continue dialysis in a patient who develops permanent severe dementia.
The study in The Journal of the American Society of Nephrology is gated.