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Table 1 Baseline demographics of the patients (n = 150) [8, 10]

From: Responsiveness and minimal clinically important difference of SGRQ-I and K-BILD in idiopathic pulmonary fibrosis

Male, n (%)

122 (81.3%)

Age (years), mean (SD)

72.9 (6.2)

Months since diagnosis, median (IQR)

6 (0–21)

Smoking status

 Current, n (%)

9 (6.0%)

 Former, n (%)

101 (67.3%)

 Never, n (%)

40 (26.6%)

Long-term oxygen therapy, n (%)

19 (12.7%)

Antifibrotic treatment, n (%)a

85 (56.7%)

FVC (% predicted), mean (SD)

87.2 (23.1)

DLCO (% predicted), mean (SD)

48.4 (14.1)

6MWD (m), mean (SD)

450.3 (112.5)

K-BILD total, mean (SD)

58.3 (12.4)

SGRQ-I total, mean (SD)

42.9 (22.3)

SOBQ, mean (SD)

34.6 (25.3)

SGRQ, mean (SD)

40.8 (19.4)

  1. a: 1/3 of the patients was incident and hence, did not receive antifibrotic treatment at baseline. SD Standard deviation, IQR Interquartile range, FVC Forced vital capacity, DLCO diffusion capacity of the lung for carbon monoxide, 6MWD distance walked during the 6-min walk test, K-BILD King’s Brief Interstitial Lung Disease questionnaire, SGRQ-I IPF-specific version of St. George’s Respiratory Questionnaire, SOBQ University of California, San Diego Shortness of Breath Questionnaire, SGRQ St. George’s Respiratory Questionnaire
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Respiratory Research

ISSN: 1465-993X

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