Table 1.

Spearman correlation coefficients of radiographic and dyspnoea scores with pulmonary function, 6-minute walk distance, frailty and symptoms

	DLCO (% predicted)			FVC (% predicted)			6MWD (m)
CT pattern	R 2	r	P value	R 2	r	P value	R 2	r	P value
Ground glass opacities	0.12	−0.34	0.003*	0.06	−0.25	0.03*	0	−0.02	0.92
Reticulations	0.41	−0.64	<0.001*	0.04	−0.21	0.07	0	−0.02	0.8
Traction bronchiectasis	0.24	−0.49	<0.001*	0.05	−0.23	0.04*	0	−0.05	0.69
	Frailty phenotype score			Cough scale			UCSD SOBQ
CT pattern	R 2	r	P value	R 2	r	P value	R 2	r	P value
Ground glass opacities	0.21	0.46	<0.001*	0	0.07	0.56	0.02	0.14	0.23
Reticulations	0.05	0.23	0.04*	0.07	0.26	0.02*	0	0.05	0.66
Traction bronchiectasis	0.03	0.16	0.17	0.06	0.25	0.03*	0	0.07	0.57
	DLCO (% predicted)			FVC (% predicted)			6MWD (m)
	R 2	r	P value	R 2	r	P value	R 2	r	P value
UCSD SOBQ	0.02	−0.14	0.24	0.06	−0.25	0.04*	0.06	−0.25	0.03*
	Frailty phenotype score			Grip strength (kg)			Gait speed (m/s)
	R2	r	P value	R2	r	P value	R2	r	P value
UCSD SOBQ	0.22	0.47	<0.001*	0.14	−0.37	0.001*	0.05	−0.21	0.06

*Significant after controlling for false discovery using the Benjamini-Hochberg method at a false discovery rate of 0.10.

DLCO, diffusion capacity for carbon monoxide; 6MWD, 6-minute walk distance; UCSD SOBQ, University of California San Diego Shortness of Breath Questionnaire.