Self-Perception of Swallowing-Related Problems in Laryngopharyngeal Reflux Patients Diagnosed with 24-Hour Oropharyngeal pH Monitoring

Table 2

Comparison between LPR positive and negative groups regarding the DHI and RSI scores.

	⁢LPR positive group ()		⁢LPR negative group ()		Mann-Whitney
	Mean	SD	Mean	SD
DHI	33.46	17.88	19.44	22.26	<0.01
Overall swallowing difficulty	3.76	1.14	2.11	1.02	<0.0001
RSI	22.69	5.88	11.55	10.43	<0.0001