Variable | Pearson correlation | p Value |
---|---|---|
ΔSGRQ Total | 0.48 | <0.001 |
ΔSGRQ Symptoms | 0.14 | <0.001 |
ΔSGRQ Activities | 0.38 | <0.001 |
ΔSGRQ Impact | 0.45 | <0.001 |
ΔCRQ Total | −0.56 | <0.001 |
ΔCRQ Dyspnoea | −0.46 | <0.001 |
ΔCRQ Fatigue | −0.37 | <0.001 |
ΔCRQ Emotion | −0.44 | <0.001 |
ΔCRQ Mastery | −0.46 | <0.001 |
ΔCAT | 0.54 | <0.001 |
Δ, delta change; CAT, COPD Assessment Test; CRQ, Chronic Respiratory Questionnaire; SGRQ, St George's Respiratory Disease Questionnaire.