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Table 7 Distribution of difficulty in swallowing, difficulty in speech, cheek flexibility according to group in different time periods

From: Effectiveness of Pentoxifylline in the treatment of oral submucous fibrosis patients: a case-control study

 GroupNMean RankSum of RanksU valueP value
DIFFICULTY IN SWALLOWINGBaselinePentoxyfylline4032.501040.00  
Placebo4032.501040.000.0001.000
Total80    
1st MonthPentoxyfylline4032.001024.00  
Placebo4033.001056.000.5870.558
Total80    
2nd MonthPentoxyfylline4032.001024.00  
Placebo4033.001056.000.5870.558
Total80    
3rd MonthPentoxyfylline4032.001024.00  
Placebo4033.001056.000.5870.558
Total80    
BaselinePentoxyfylline4032.501040.00  
Placebo4032.501040.000.0001.000
Total80    
1st MonthPentoxyfylline4032.501040.00  
DIFFICULTY IN SPEECHPlacebo4032.501040.000.0001.000
Total80    
2nd MonthPentoxyfylline4032.501040.00  
Placebo4032.501040.000.0001.000
Total80    
3rd MonthPentoxyfylline4032.501040.00  
Placebo4032.501040.000.0001.000
Total80