. 2018 Aug 6;18:129. doi: 10.1186/s12890-018-0697-2

Table 3.

Correlation between deposition fractions and lung function

		DF	DF	DF
		50 nm 1300 mL	50 nm 1800 mL	100 nm 1800 mL
FEV_1%pred	Pearson’s r	0.317^*	0.391^**	0.357^**
FEV_1%pred	p-value	0.028	0.0060	0.013
FEV₁/VC_%pred	Pearson’s r	0.452^**	0.530^***	0.574^***
FEV₁/VC_%pred	p-value	0.0013	0.00011	0.000020
DL_{,CO %pred}^†	Pearson’s r	0.494^***	0.571^***	0.518^***
DL_{,CO %pred}^†	p-value	0.00049	0.000034	0.00023

† n = 46, D_L,CO data for two subjects is missing

*Significance < 0.05 level

**Significance < 0.01 level

***Significance < 0.001 level

Pearson’s correlation coefficients, r, and p-values for the associations between particle deposition and clinical lung function tests for all subjects (n = 48)