1685
A bacteriological relapse requiring treatment occurred by 5 years in 16 . 8 % of 113 R3 , 5 . 2 % of 97 R5 , and 20 . 0 % of 115 Z5 patients with organisms sensitive to streptomycin and isoniazid initially .
 None
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: GENE 
Text: {0} 
Answer:
 None