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 Instrument | CTD-ILD Consensus, % | IPF Consensus, % |
|---|---|---|
| Dyspnea | ||
| MRC chronic dyspnea scale | 75 | 92 |
| Dyspnea 12 | 88 | 70 |
| UCSD-SBQ | NA | 80 |
| Cough | ||
| Leicester cough monitor | 79 | 82 |
| HRQOL | ||
| Short Form–36 | 100 | 82 |
| SGRQ | 87 | 82 |
| VAS-PtGA | 96 | NA |
| Lung imaging | ||
| Overall extent of ILD on HRCT | 92 | 100 |
| Lung physiology | ||
| Forced vital capacity | 100 | 100 |
| Diffusion capacity of lung | 91 | 100 |
| Survival | ||
| All-cause mortality | 100 | 100 |
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.