Table 4—

Percentage of patients completing pulmonary rehabilitation with a clinically significant change in St George's Respiratory Questionnaire (SGRQ) score (reduction of ≥4 units) and 6-minute walking distance (6MWD; increase of ≥54 m) stratified by the Medical Research Council dyspnoea score (MRC) grade.

TotalDisease severity
Mild (MRC grade 1/2)Moderate (MRC grade 2/3)Severe (MRC grade 5)
Subjects n51162213
6MWD ≥54 m47815946
SGRQ score# ≥4 units63505039
Composite responders77888254
  • Data are presented as % or n. There was no difference between the groups in the number of patients who had changed significantly (p>0.05). Composite: percentage of patients completing pulmonary rehabilitation with a clinically significant change in either SGRQ score (a reduction of ≥4 units) or 6MWD (an increase of ≥54 m) stratified by MRC grade.