1738
Persistent atrial fibrillation ( 7 . 9 % vs 2 . 3 % , P = 0 . 020 ) and renal failure ( 9 . 7 % vs 1 . 7 % , P = 0 . 002 ) were also more common in Group T , in the primary valve surgery subgroup .
 Disease: renal failure
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Disease, Chemical 
Text: {0} 
Answer:
 Disease: renal failure