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Table 2 Disease severity factors in hospitalized and non-hospitalized patients with COPD

From: 8th international conference on management and rehabilitation of chronic respiratory failure: the long summaries – part 1

  ESMI (Spain) SFH (USA) ECLIPSE
Hospitalized Hospitalized Out-Patients
On O2 rx (%) 39 53 -
FEV1 % predicted 43 47 48
G2; G3; G4 (%) 45; 44; 11 - 44; 42; 14
FEV1/FVC ≥ 0.70 (% of sample) - 21  
Could not/would not do 6 MWT (%) - 20 -
6MWT distance (meters) - 157 All: 370
G2: 406
G3: 357
G4: 290
  1. O2, Oxygen; FEV1, Forced expiratory volume in one second; FVC, Forced vital capacity
  2. G2, Global Initiative for Obstructive Lung Disease (GOLD) spirometric stage 2 (FEV1 ≥ 50 % and < 80 %); G3, GOLD spirometric stage 3 (FEV1 ≥ 30 % and < 50 %); G4, GOLD spirometric stage 4 (FEV1 < 30 %). 6MWT, six minute walk test