Analysis of Optimal Health-Related Quality of Life Measures in Patients Waitlisted for Lung Transplantation

Table 3

Relations of the MRF-26 and SRI with the SGRQ.

	SGRQ
	Symptoms	Activities	Impacts	Total
MRF-26
Daily activities	0.38	0.70	0.67	0.72
Perceived disability	0.41	0.46	0.67	0.66
Total	0.43	0.67	0.75	0.78
SRI
Respiratory complaints	−0.57	−0.54	−0.64	−0.68
Physical functioning	−0.29	−0.60	−0.68	−0.68
Attendant symptoms and sleep	−0.36	−0.32	−0.48	−0.47
Social relationships	−0.21	−0.33	−0.49	−0.47
Anxiety	−0.37	−0.51	−0.65	−0.64
Psychological well-being	−0.19	−0.29	−0.55	−0.49
Social functioning	−0.27	−0.51	−0.63	−0.62
Summary	−0.41	−0.57	−0.75	−0.74

All values indicate Spearman’s rank correlation coefficients (). SGRQ: St. George’s Respiratory Questionnaire; MRF: Maugeri Respiratory Failure Questionnaire; SRI: Severe Respiratory Insufficiency Questionnaire.