Table 3– Proportion of patients achieving the minimal important difference in various outcomes
SPACEUsual careBetween-group p-value
6 weeks
6 months
  • Data are presented as % unless otherwise stated. Minimal important differences: self-reported Chronic Respiratory Questionnaire (CRQ-SR) dyspnoea, fatigue, emotion and mastery domains, 0.5 points; Hospital Anxiety and Depression Scale, −1.5 points; incremental shuttle walk test (ISWT), 48 m; endurance shuttle walk test (ESWT), 186 s. SPACE: Self-Management Programme of Activity, Coping and Education.