The effect of postoperative complications on health-related quality of life and survival 12 years after coronary artery bypass grafting – a prospective cohort study

Table 3 Quality of life scores (RAND 36) for survivors and general population

QOL category	Group	Baseline	1-year follow-up	12-year follow-up	General population^a	Change^b	p-values
QOL category	Group	n=508	n=465	n=296	General population^a	Change^b	p-values
General health	No complication	53.3	58.3	56.8	46.7	3.5	0.22
	Complication	48.8	52.1	48.8		0	0.20
	MACCE	48.9	54.3	52.6		3.7	0.70
Physical functioning	No complication	50.4	77.4	68.9	58.7	18.5	<0.001
	Complication	43.8	68.1	57.6		13.8	<0.001
	MACCE	42.7	68.9	54.0		11.3	0.011
Social functioning	No complication	67.7	83.5	81.5	75.7	13.8	<0.001
	Complication	64.7	77.5	68.9		4.2	<0.001
	MACCE	62.3	77.9	64.6		2.3	0.44
Role functioning/physical	No complication	22.9	60.2	56.8	39.1	33.9	0.04
	Complication	18.2	45.5	40.2		22	<0.001
	MACCE	15.8	44.8	34.9		19.1	0.002
Role functioning/emotional	No complication	43.5	66.0	66.9	51.3	23.4	<0.001
	Complication	37.7	62.0	47.4		9.7	<0.001
	MACCE	35.8	65.5	42.8		7	<0.001
Emotional well-being	No complication	73.3	77.5	78.9	71.8	5.6	0.001
	Complication	72.2	74.9	70.4		-1.8	0.246
	MACCE	72.0	74.7	69.2		-2.8	0.366
Energy	No complication	58.3	67.9	66.8	59.4	8.5	<0.001
	Complication	54.0	63.5	54.8		0.8	0.42
	MACCE	53.4	64.3	53.4		0	0.83
Pain	No complication	50.6	76.4	74.6	63.5	24	<0.001
	Complication	44.7	72.5	64.9		20.2	<0.001
	MACCE	44.6	73.8	64.1		19.5	<0.001

^aAge and sex-adjusted reference values for 12-year follow-up scores.^bBetween 12-year and baseline scores. ^cPaired-samples t test between the baseline and 12-year follow-up scores

ISSN: 1749-8090