Short-term outcomes of surgical myocardial revascularization on health-related quality of life: a validation of the Arabic MacNew heart disease questionnaire

The Cardiothoracic Surgeon

Table 2 Multiple linear regression analysis of independent predictors of physical, emotional, social, and global QOL-normalized difference score after 3 months of CABG surgery

Predictors	Physical domain difference score		Emotional domain difference score		Social domain difference score		Global domain difference score
	B	p	B	p	B	p	B	p
Gender	0.48	≤ 0.001	0.50	≤ 0.001	0.43	≤ 0.001	0.49	≤ 0.001
Age			0.01	0.04
Residence	0.39	≤ 0.001	0.30	0.001	0.37	≤ 0.001	0.36	≤ 0.001
Education			0.36	0.005	0.29	0.02	0.02	0.03
Diabetes	−0.20	0.05
Dyspnea grade					0.51	0.003
Hypercholestermia	−0.20	≤ 0.001	−0.49	≤ 0.001	−0.37	≤ 0.001	−0.46	≤ 0.001
Hypertension	−0.29	≤ 0.001	−0.39	≤ 0.001	−0.35	≤ 0.001	−0.35	0.001
Smoking	−0.79	≤ 0.001	−0.33	0.04	−0.69	≤ 0.001	−0.47	0.005
Gastrointestinal disease	−0.44	0.003	−0.63	≤ 0.001	−0.51	0.001	−0.59	≤ 0.001
Renal disease	−0.66	0.03			−0.66	0.02
Cerebrovascular disease	−0.63	0.006			−0.50	0.03	−0.54	0.02
Constant	0.145		0.759		0.121		0.287
R²	0.23		0.24		0.22		0.22
F	7.406		8.063		7.274		7.157
P	≤ 0.001		≤ 0.001		≤ 0.001		≤ 0.001

Coding of variables included in the model
0 was given for female, urban residence, low education, no diabetes, no hypercholestermia, no smoking, no hypertension, no gastrointestinal disease, no renal disease, no cerebrovascular disease, and low dyspnea grade (NYHA1- NYHA 2)
1 was given for male, rural residence, high education, diabetes hypercholestermia, hypertension, renal disease, gastrointestinal disease, smoking, high dyspnea grade (NYHA3-NYHA4)