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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)