Validation of the King’s Brief Interstitial Lung Disease questionnaire in Idiopathic Pulmonary Fibrosis

BMC Pulmonary Medicine

Table 4 Test-retest reliability of K-BILD

K-BILD	n	ICC
Total	103 (74.1%)	0.89
Psychological	109 (78.4%)	0.80
Breathlessness and activities	113 (81.3%)	0.89
Chest symptoms	105 (75.5%)	0.76

Data are presented as number of stable patients (% of responders, no. 139) and intraclass correlation coefficients (ICC). K-BILD King’s Brief Interstitial Lung Disease questionnaire

ISSN: 1471-2466