525
Overall survival from the time of OLTX was not significantly different among groups , but by year 13 , the survival of the patients who had ESRD was only 28 . 2 % compared with 54 . 6 % in the control group .
 ESRD
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Disease, Chemical 
Text: {0} 
Answer:
 ESRD