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Table 1 Baseline characteristics of participants with or without a baseline CT finding of ILA

From: Increased respiratory morbidity in individuals with interstitial lung abnormalities

 

ILA (n = 332)

No ILA (n = 1658)

p-value

Age mean (SD), years

59.7 (5.0)

57.6 (4.7)

<  0.001

Female, n (%)

136 (41%)

742 (45%)

0.20

BMI, mean (SD)

24.9 (4.0)

25.3 (3.8)

0.06

Current/former smokers, n (%)

256/76 (77%/23%)

1243/415 (74%/26%)

0.41

Pack-years, mean (SD)

37.5 (13.4)

36.18 (13.4)

0.10

FEV1 l, mean (SD)

2.75 (0.76)

2.91 (0.75)

<  0.001

FEV1% predicted, mean (SD)

87.9 (18.6)

92.4 (16.3)

<  0.001

FVC l, mean (SD)

4.03(1.0)

4.13 (0.99)

0.10

FVC % predicted, mean (SD)

99.5 (17.7)

101.7 (15.3)

0.04

FEV1/FVC <  0.7, n (%)

178 (54%)

693 (42%)

0.001

Follow-up time median, years (IQR)

11.22 (10.77–11.75)

11.29 (11.03–11.75)

<  0.001

  1. ILA interstitial lung abnormalities, SD standard deviation, BMI body mass index, FEV1 forced expiratory volume in one second, FVC forced vital capacity, IQR interquartile range