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

Table 3

Correlation between the DHI, RSI, and the pH monitoring results.

	RSI	Number of reflux episodes	Ryan score
Spearman’s rho
DHI
Correlation coefficient	0.68	0.33	0.30
Sig. (2-tailed)	0.001	0.02	0.04
	44	44	44
Overall swallowing difficulty
Correlation coefficient	0.52	0.45	0.41
Sig. (2-tailed)	0.0001	0.002	0.005
	44	44	44

Correlation is significant at the 0.01 level (2-tailed).
Correlation is significant at the 0.05 level (2-tailed).