Table 1.

Consensus domain and instrument for CTD-ILD and IPF groups. Modified from Saketkoo LA, et al. Thorax 2014;69:428–36; with permission.

Domains and InstrumentCTD-ILD
Consensus, %
Consensus, %
  MRC chronic dyspnea scale7592
  Dyspnea 128870
  Leicester cough monitor7982
  Short Form–3610082
Lung imaging
  Overall extent of ILD on HRCT92100
Lung physiology
  Forced vital capacity100100
  Diffusion capacity of lung91100
  All-cause mortality100100
  • CTD-ILD: connective tissue disease–associated interstitial lung disease; HRCT: high-resolution computed tomography; HRQOL: health-related quality of life; IPF: idiopathic pulmonary fibrosis; MRC: Medical Research Council; PtGA: patient’s global assessment; SGRQ: St. George’s Respiratory Questionnaire; UCSD-SBQ: University of California San Diego Shortness of Breath Questionnaire; VAS: visual analog scale; NA: not applicable.