2360
The incidence of bladder instability during urine storage period of model group was significantly higher than intervention group ( X ( 2 ) = 7 . 619 , P = 0 . 007 ) and control group ( X ( 2 ) = 13 . 755 , P = 0 . 000 ) .
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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:
 None