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Table 2 Results of post-grouping and ungrouped patients

From: Third or fourth branchial pouch sinus lesions: a case series and management algorithm

Clinical presentationungroupedAfter groupingP
Recurrence15.2%(67/439)1.5%(1/67)0.002*
Complication
 Salivary fistula0.9% (4/439)0% (0/67)0.433
 Infected wound0.2% (1/439)3% (2/67)0.006
 Vocal cord paralysis3.2% (14/439)0% (0/67)0.138
 Arytenoids edema0.2% (1/439)0% (0/67)0.696