. Author manuscript; available in PMC: 2019 Apr 1.

Published in final edited form as: Respir Med. 2018 Feb 27;137:55–60. doi: 10.1016/j.rmed.2018.02.017

Table 1.

Clinical Characteristic Between ILA cases and controls

Variable	ILA Cases (n=62)^*	Controls (n=124)^**	p-value

Age in years, mean ±SD	83.3 (6.7)	82.7 (6.2)	0.56
Male, n (%)	38 (61.3)	76 (61.3)	1
White race, n (%)	50 (80.7)	108 (87.1)	0.25
Ever Smoker, n (%)	43 (69.4)	63 (50.8)	0.02
Pack-years, median [IQR]	21 (13–40)	20 (4–40)	0.18
Supplemental oxygen use	15 (24.2)	15 (12.1)	0.03
Documented ILD	14 (22.6)	0 (0)	<0.001
Emphysema on HRCT	28 (45.2)	17 (13.7)	<0.001
Documented COPD	32 (51.6)	64 (59.8)	0.3
Spirometry
FEV1 (% predicted), mean ±SD	88.7 (28.3)	81.5 (26.3)	0.14
FVC (% predicted), mean ±SD	89 (23.5)	88.2 (23.4)	0.85
FEV1/FVC ratio, mean ±SD	0.71 (0.12)	0.66 (0.12)	0.02
Days to TAVR, median [IQR]	34 (13–56)	34 (19–82)	0.88
Received general anesthesia, n (%)	50 (80.7)	98 (79)	0.79

Exception for n: spirometry (n=44)

^**

Exception for n: spirometry (n=107)