Table 1 Characteristics and ESMCSA of patients available for CT after 6 months.

From: Early decrease in erector spinae muscle area and future risk of mortality in idiopathic pulmonary fibrosis

Variable

0 month

After 6 months

Total, n

119

119

Age, years

67.0 [61.0–71.0]

 

Sex, Female, n (%)

21 (17.6%)

 

Never smoker, n (%)

25 (21.0%)

 

Ex-smoker, n (%)

81 (68.1%)

 

Current smoker, n (%)

13 (10.9%)

 

Smoking history, pack-years

36.0 [5.0–55.5]

 

Body mass index, kg/m2

23.4 [21.7–25.2]

23.1 [21.4–25.4]

Biopsy-proven IPF, n (%)

62 (52.1%)

 

FVC, % predicted

84.2 [70.4–96.5]

78.1 [67.5–96.3]

FEV1/FVC, %

85.8 [81.3–90.6]

86.2 [79.7–90.7]

DLCO, % predicted*

60.7 [48.8–76.7]

58.6 [45.3–69.6]

Distance walked during 6MWT, m

589 [524–645]

 

Lowest SpO2 during 6MWT, %

85.0 [80.0–89.0]

 

ESMCSA, cm2

34.2 [27.7–40.0]

31.6 [25.0–37.0]

  1. Data are presented as median [interquartile range] or n (%). Abbreviations: FVC, forced vital capacity; FEV1, forced expiratory volume in 1.0 second; DLCO, diffuse capacity of the lung for carbon monoxide; 6MWT, 6-minute walk test; SpO2, percutaneous oxygen saturation; ESMCSA, cross-sectional area of elector spine muscles. *We analysed using n = 114, because 5 cases were missing.
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