BMC Cardiovascular Disorders

Table 5 Linear regression parameters for associations of ‘grip strength per weight’-change scores (N/kg) with postoperative health-related quality of life after coronary artery bypass grafting

From: Muscle strength trajectories and their association with postoperative health-related quality of life in patients undergoing coronary artery bypass grafting surgery: a prospective cohort study

	Grip strength per weight (N/kg)	Physical component score
	Grip strength per weight (N/kg)	Beta	95% CI	P-value
Model 1: Univariable	Relative change scores¹	0.263	0.079 to 0.444	0.005
Model 2: Age	Relative change scores¹	0.262	0.076 to 0.446	0.010
Model 2: Age	Age	− 0.008	− 0.192 to 0.177	0.935
Model 3: Age, HR-QoL, and DB	Relative change scores¹	0.216	0.058 to 0.369	0.007
	Age	− 0.107	− 0.260 to 0.051	0.185
	Diabetes	− 0.298	− 1.090 to − 0.334	< 0.001
	Baseline PCS or MCS	0.408	0.246 to 0.559	< 0.001

		Mental component score
		Beta	95% CI	P-value
Model 1: Univariable	Relative change scores¹	0.040	− 0.149 to 0.229	0.677
Model 2: Age	Relative change scores¹	0.063	− 0.125 to 0.251	0.509
Model 2: Age	Age	0.184	− 0.004 to 0.372	0.055
Model 3: Age, HR-QoL, and DB	Relative change scores¹	0.047	− 0.101 to 0.192	0.535
	Age	0.029	− 0.122 to 0.178	0.711
	Diabetes	− 0.226	− 0.368 to − 0.075	0.003
	Baseline PCS or MCS	0.571	0.413 to 0.710	< 0.001

CI Confidence Interval, HR-QoL Health-Related Quality of Life, DB Diabetes
¹Value 6 months divided by preoperative value

Back to article page

ISSN: 1471-2261

Contact us

Submission enquiries: bmccardiovasculardisorders@biomedcentral.com
General enquiries: ORSupport@springernature.com