Table 3

The relationship between the King's Brief Interstitial Lung Disease (K-BILD) questionnaire and lung function and other health status measures

K-BILDLung functionSGRQSF36
Breathlessness and activity0.550.510.52−0.59−0.84−0.80−0.860.700.33
Chest symptoms0.480.450.42−0.65−0.64−0.79−0.780.610.36
  • Data shown are Pearson's correlation coefficients; all p<0.01.

  • FEV1, forced expiratory volume in 1 s; FVC, forced vital capacity; SF36, Short Form 36; SF36 MCS, SF36 Mental Component Summary; SF-36 PCS, SF36 Physical Component Summary; SGRQ, St George's Respiratory Questionnaire; SGRQ Act, SGRQ – Activity; SGRQ Imp, SGRQ – Impact; SGRQ Sym, SGRQ – Symptoms; TLCO, diffusing capacity of the lung for carbon monoxide as % predicted.