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Table 2 Characteristics of the study population (N = 111) mean (95 % CI) or %

From: Re-evaluation of diagnostic parameters is crucial for obtaining accurate data on idiopathic pulmonary fibrosis

 

Mean or %

95 % CI

Number of observations

Age

73.5

71.8 – 75.2

111

Gender (%)

  

111

 Men

60.4

  

 Women

39.3

  

BMIa (kg/m2)

28.1

27.2 – 29.0

98

Smoking (%)

  

109

 Never

44.1

  

 Former

45.9

  

 Current

8.1

  

FVCb % pred.

80.4

77.4 – 83.3

107

FVC (L)

2.9

2.7 – 3.1

107

DLCO/VAc % pred.

78.4

75.3 – 81.5

104

DLCO % pred.

57.3

54.4 – 60.2

104

  1. Definitions of abbreviations: aBMI Body Mass Index; bFVC Forced Vital Capacity, cDLCO(VA) Diffusing Capacity of Carbon Monoxide (divided by Alveolar Volume)