Table 2.

Relationships between objective and subjective cough measures

		Total Cough Rate	Day Cough Rate	Night Cough Rate
LCQ	Total	r = -0.80 p = < 0.001	r = -0.77 p = < 0.001	r = -0.50 p = 0.028
	Physical	r = -0.76 p = < 0.001	r = -0.72 p = 0.001	r = -0.46 p = 0.048
	Psychological	r = -0.76 p = < 0.001	r = -0.72 p = 0.001	r = -0.46 p = 0.048
	Social	r = -0.74 p = < 0.001	r = -0.71 p = 0.001	r = -0.55 p = 0.016
VAS	Day		r = 0.80 p = < 0.001	- -
	Night		- -	r = 0.71 p = 0.001

Spearman's Correlation Coefficients