TABLE 5

Correlations between change (Δ) in King's Brief Interstitial Lung Disease (KBILD) and change in other variables with pulmonary rehabilitation in patients with idiopathic pulmonary fibrosis

ΔKBILD-PΔKBILD-BΔKBILD-CΔKBILD-T
ΔMRC Dyspnoea−0.23 (0.007)−0.26 (0.01)−0.29 (<0.01)−0.29 (<0.01)
ΔISWT0.29 (<0.01)0.31 (<0.01)0.11 (0.26)0.29 (<0.01)
ΔCRQ-D0.44 (<0.01)0.37 (<0.01)0.26 (<0.01)0.46 (<0.01)
ΔCRQ-F0.38 (<0.01)0.25 (0.01)0.22 (0.03)0.39 (<0.01)
ΔCRQ-E0.41 (<0.01)0.29 (<0.01)0.18 (0.06)0.39 (<0.01)
ΔCRQ-M0.45 (<0.01)0.26 (<0.01)0.20 (0.04)0.43 (<0.01)
ΔCRQ-T0.54 (<0.01)0.28 (<0.01)0.27 (<0.01)0.54 (<0.01)

Data are presented as r-value (p-value). KBILD-P/B/C/T: KBILD-Psychological/Breathlessness and activities/Chest symptoms/Total; MRC: Medical Research Council; ISWT: incremental shuttle walk test; CRQ-D/F/E/M/T: Chronic Respiratory Questionnaire-Dyspnoea/Fatigue/Emotion/Mastery/Total.