. 2023 Nov 22;39(6):571–582. doi: 10.1097/JCN.0000000000001064

TABLE 4.

Convergent Construct Validity of the Quality of Life with a Ventricular Assist Device Questionnaire Total Score and the Individual Domains

QoLVAD Domains	Comparator Assessment	Correlation (r) Between Tests
Total	KCCQ QoL	0.70^a
Physical	KCCQ Physical Limitations	0.63^a
Emotional	PHQ-9	−0.68^a
Social	KCCQ Social Limitations	0.54^a
Cognitive	KCCQ Summary	0.45^a
Meaning/spiritual	No comparator available	—

Abbreviations: KCCQ, Kansas City Cardiomyopathy Questionnaire; PHQ-9, Patient Health Questionnaire-9; QoL, quality of life; QoLVAD, Quality of Life with a Ventricular Assist Device questionnaire; r, Pearson correlation coefficient r.

^aCorrelation is significant at the .01 level (2-tailed).