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Table 1 Baseline characteristics

From: Variability of forced vital capacity in progressive interstitial lung disease: a prospective observational study

 

All

(n = 47)

IPF

(n = 20)

Non-IPF

(n = 27)

Age (years)

62.7 ± 11.5

67.7 ± 7.2

59.0 ± 12.7

Gender, male (%)

28 (59.6)

16 (80.0)

12 (44.4)

BMI (kg/m2)

27.0 ± 4.5

26.8 ± 4.7

27.2 ± 4.5

Smoking status

 Ex-smoker

24 (51.1)

14 (70.0)

10 (37.0)

 Pack years

25.9 ± 20.5

29.6 ± 23.2

20.6 ± 15.6

Lung function

 FVC, % predicted

63.8 ± 20.9

65.6 ± 19.1

62.5 ± 22.4

 FVC (L)

2.3 ± 0.8

2.5 ± 0.8

2.2 ± 0.8

 TLC, % predicted

69.2 ± 18.8

68.3 ± 16.9

69.9 ± 20.5

 TLC (L)

4.2 ± 1.1

4.4 ± 1.2

4.1 ± 1.0

 DLCO, % predicteda

37.8 ± 15.6

34.5 ± 15.4

40.1 ± 15.7

6MWD (m)b

380 ± 121

405 ± 107

364 ± 129

K-BILD

53.2 ± 11.4

50.6 ± 10.6

55.1 ± 11.9

SGRQc

51.5 ± 18.2

57.6 ± 13.0

47.1 ± 20.3

VAS cough (cm)

3.3 ± 2.6

3.8 ± 2.7

2.8 ± 2.4

  1. Data are presented as mean ± standard deviation or number (percentage). Definition of abbreviations: 6MWD 6-min walk distance, BMI body mass index, DLCO diffusion capacity for carbon monoxide, FVC forced vital capacity, K-BILD King’s Brief Interstitial Lung Disease, SGRQ St George’s Respiratory Questionnaire, TLC total lung capacity, VAS visual analogue scale
  2. a n = 30 patients (IPF: n = 13; non-IPF: n = 17). b n = 41 patients (IPF: n = 16; non-IPF: n = 25). c n = 43 patients (IPF: n = 18; non-IPF: n = 25)
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Respiratory Research

ISSN: 1465-993X

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