Table 4

Correlations between ATAQ-IPF scores and markers of IPF severity

	D12		MRC
	UK	USA	UK	USA
Cough	0.26 (0.05)	0.34 (0.007)	−0/06 (0.64)	0.12 (0.30)
SOB	0.78 (<0.0001)	0.71 (<0.0001)	0.53 (<0.0001)	0.62 (<0.0001)
Planning	0.53 (<0.0001)	0.57 (<0.0001)	0.65 (<0.0001)	0.54 (<0.0001)
Sleep	0.48 (0.0003)	0.20 (0.13)	0.33 (0.01)	0.11 (0.37)
Mortality	0.29 (0.03)	0.49 (<0.0001)	0.14 (0.25)	0.18 (0.13)
Energy	0.61 (<0.0001)	0.61 (<0.0001)	0.48 (<0.0001)	0.38 (0.001)
Mental health	0.68 (<0.0001)	0.55 (<0.0001)	0.40 (0.001)	0.40 (0.0005)
Spirituality	−0.04 (0.78)	0.10 (0.43)	0.06 (0.62)	0.22 (0.06)
Social	0.50 (<0.0001)	0.57 (<0.0001)	0.55 (<0.0001)	0.49 (<0.0001)
Independence	0.69 (<0.0001)	0.57 (<0.0001)	0.60 (<0.0001)	0.48 (<0.0001)
ATAQ total	0.75 (<0.0001)	0.70 (<0.0001)	0.56 (<0.0001)	0.55 (<0.0001)

ATAQ, A Tool to Assess Quality of Life in Patients with Idiopathic Pulmonary Fibrosis; D12, dyspnoea-12; IPF, idiopathic pulmonary fibrosis; MRC, Medical Research Council breathlessness scale; SOB, shortness of breath.