Table 2.

Correlation between CT parameters and pulmonary function indices

	FEV1	FEV1% pred	FVC	FEV1/FVC	VC%	DLco%	RV/TLC
EI	− 0.17 (0.02)	− 0.22 (0.002)	0.22 (0.002)	− 0.51 (< 0.001)	0.15 (0.04)	− 0.17 (0.02)	0.28 (< 0.001)
ATI	− 0.16 (0.03)	− 0.22 (0.002)	0.04 (0.58)	− 0.28 (< 0.001)	− 0.01 (0.94)	− 0.17 (0.02)	0.25 (< 0.001)
Inspiratory MLD	− 0.05 (0.51)	0.005 (0.95)	− 0.32 (< 0.001)	0.29 (< 0.001)	− 0.27 (< 0.001)	0.05 (0.48)	− 0.10 (0.18)
PI-1	0.19 (0.01)	0.25 (< 0.001)	− 0.17 (0.02)	0.51 (< 0.001)	− 0.13 (0.08)	0.20 (0.006)	− 0.28 (< 0.001)
PI-15	0.12 (0.10)	0.19 (0.009)	− 0.25 (< 0.001)	0.48 (< 0.001)	− 0.17 (0.02)	0.16 (0.03)	− 0.25 (< 0.001)
PRMEmph	− 0.18 (0.01)	− 0.27 (< 0.001)	0.23 (0.002)	− 0.55 (< 0.001)	0.13 (0.07)	− 0.21 (0.003)	0.30 (< 0.001)
PRMfSAD	− 0.20 (0.006)	− 0.25 (< 0.001)	0.01 (0.86)	− 0.35 (< 0.001)	− 0.04 (0.63)	− 0.23 (0.002)	0.28 (< 0.001)
PRMNormal	0.25 (< 0.001)	0.33 (< 0.001)	− 0.07 (0.30)	0.49 (< 0.001)	0.01 (0.90)	− 0.27 (< 0.001)	− 0.33 (< 0.001)
Pi10	− 0.37 (< 0.001)	− 0.33 (< 0.001)	− 0.36 (< 0.001)	− 0.11 (0.14)	− 0.32 (< 0.001)	− 0.03 (0.64)	0.23 (0.001)
Wall area	− 0.30 (< 0.001)	− 0.25 (0.001)	− 0.27 (< 0.001)	− 0.13 (0.08)	− 0.24 (0.001)	− 0.04 (0.55)	0.30 (< 0.001)
Lumen area	0.28 (< 0.001)	0.26 (< 0.001)	0.31 (< 0.001)	0.04 (0.59)	0.27 (< 0.001)	− 0.04 (0.62)	− 0.18 (0.01)
Number of vessels	0.20 (0.005)	0.16 (0.03)	0.10 (0.18)	0.22 (0.003)	0.08 (0.28)	0.18 (0.01)	− 0.13 (0.06)
Number of vessels under 5 mm2	0.24 (0.001)	0.21 (0.004)	0.11 (0.11)	0.25 (< 0.001)	0.11 (0.12)	0.20 (0.006)	− 0.17 (0.02)
Average diameter of vessels	− 0.26 (< 0.001)	− 0.31 (< 0.001)	− 0.15 (0.04)	− 0.20 (0.004)	− 0.26 (< 0.001)	− 0.16 (0.03)	0.23 (0.001)
Surface LAA	− 0.12 (0.11)	− 0.23 (0.001)	0.29 (< 0.001)	− 0.51 (< 0.001)	0.16 (0.03)	− 0.21 (0.003)	0.28 (< 0.001)

Data are Spearman r correlation values. Numbers in parentheses are p values