Skip to main content

Table 1 Characteristics of the 73 COPD patients in the study and 126 COPD patients in the Cohort not recruited to the study

From: Daily activity during stability and exacerbation of chronic obstructive pulmonary disease

  73 COPD patients   Remaining 126 COPD patients in the Cohort   P-value
  Mean SD) Mean SD)  
Age (years) 71.1 (±8.7) 70.2 (±8.8) 0.51
FEV 1 (l) 1.31 (±0.5) 1.40 (±0.5) 0.25
FEV 1 (% predicted) 52.9 (±16.5) 56.2 (±16.1) 0.22
FVC (l) 2.79 (±0.9) 2.76 (±0.9) 0.83
FEV 1 /FVC (%) 47.8 (±12.6) 50.7 (±12.3) 0.11
BMI (kg/m 2 ) 26.8 (±5.6) 27.0 (±5.1)  
  Median ( IQR ) Median ( IQR )  
Exacerbations/year 2 (1.0-3.0) 1.4 (0.7-3.0) 0.40
  %     
Sex (males) 69.9   62.6   0.36
Chronic bronchitis 54.3   54.5   0.98
Smoking at recruitment 35.6   32.0   0.77
  1. SD=Standard Deviation, IQR=Inter-quartile range.