8486
Pao2 increased from 15 . 5 + / - 5 . 6 kPa ( 116 + / - 42 mm Hg ) to 17 . 3 + / - 6 . 3 kPa ( 130 + / - 47 mm Hg ) ( P < 0 . 05 ) .
 None
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: GENE 
Text: {0} 
 Entities:  
Answer:
 None