Table 4.

Mucus viscosity regression analysis using the mean values of mucus viscosity. The fitting model was $\log \left({\eta }_M-{\eta }_W\right)=b\log \left([\mathrm{mucin}]\right)+A$. Residual standard error is 0.20 on 1 degree of freedom and a multiple R-squared of 0.98 (on the fitting model).

Viscosity Regression Analysis (1–4%)
Coefficients	Estimate	Std. Error
(Intercept)	−1.13	0.18
b	1.59	0.20