4261
The median duration of neutrophil recovery and high - grade fever were 4 . 7 +/- 1 . 0 days and 3 . 6 +/- 2 . 5 days respectively for type II , compared to 8 . 0 +/- 2 . 8 days and 8 . 6 +/- 3 . 1 days for type I ( p < 0 . 01 in both compared groups ) .
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Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Chemical 
Text: {0} 
Answer:
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