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Table 1 Baseline characteristics of all 65 COPD patients

From: Dyspnea assessment and adverse events during sputum induction in COPD

Age, yrs 66(1)
M/F 60(92)/5(8)
Current/ex smokers 21(32)/44(68)
Pack years 53(3.9)
FEV1 (% predicted) 48(2.4)
FEV1/FVC 0.46(0.07)
Oxygen saturation % 92(0.4)
MRC dyspnea score 1 (0–4)
Chronic cough 44(6)
Chronic sputum 31(47)
Chronic wheeze 21(32)
Inhaled long acting b-agonists 41(63)
Inhaled corticosteroids 31(47)
6MWT, meters 311(18)
ΔBorg6MWT 2.1(0.2)
  1. Continuous data are expressed as mean (SE), categorical data are expressed as n (%), MRC score is expressed as median (range).