Health status measured by Kansas City Cardiomyopathy Questionnaire-12 in primary prevention implantable cardioverter defibrillator patients with heart failure

Table 4 Subgroup analyses of KCCQ-12 scores in 118 patients with primary prevention ICD due to heart failure

KCCQ-12	Atrial fibrillation n = 35		Appropriate therapy n = 16		Inappropriate shock n = 5		Complications n = 16
KCCQ-12	Mean difference	p value	Mean difference	p value	Mean difference	p value	Mean difference	p value
Physical limitation	− 10.0	0.051	9.9	0.238	− 17.0	0.187	4.5	0.782
Symptom frequency	− 12.0	0.006	2.4	0.946	− 18.6	0.098	− 0.4	0.864
Quality of life	− 8.2	0.119	0.7	0.795	− 18.0	0.168	2.5	0.898
Social limitation	− 13.5	0.006	3.9	0.958	− 29.6	0.015	1.5	0.930
Overall summary score	− 10.9	0.004	3.6	0.841	− 21.8	0.031	2.0	0.925

Statistically significant p-values are given in bold
Positive mean difference indicates higher values
ICD implantable cardioverter defibrillator, KCCQ-12 12-item Kansas City Cardiomyopathy Questionnaire

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