Table 3 Simple and multiple linear regression analysis.

Analysis shows that cough and SNAQ scores (20, 36), when combined, were significantly correlated to the concentration of urinary LAM. CI, confidence interval.

	Univariate (95% CI)	P	Multivariate (95% CI)	P
Cough	0.243 (−0.253 to 0.511)	0.075	0.269 (0.0100 to 0.528)	0.042 (n = 50)
Eating habits	0.049 (−0.001 to 0.100)	0.057	0.0541 (0.00476 to 0.103)	0.032 (n = 37)