Health-Related Quality of Life among Patients with Coronary Artery Disease: A Post-Treatment Follow-Up Study in Iran

Table 6

Results of multiple regression analyses*.

	SF-36 subscales
	Physical functioning	Role-physical	Bodily pain	General health	Vitality	Social functioning	Role-emotional	Mental health	Physical component summary	Mental component summary
Score at first-year **	0.488^a	0.268	0.506^a	0.340^c	0.382^a	0.488^a	0.433^a	0.184^c	0.557^a	0.298^a
≥50 years old	−8.281	−22.916^b	−13.620^c	−2.815	−4.388	−9.927	−14.748^b	−8.947^c	−4.483^c	−2.842
PTCA	−0.961	3.257	−3.558	−11.313	−8.154^c	−2.176	−1.711	−8.718^c	−0.552	−4.222^c
Male	2.289	2.645	2.110	10.229	6.366	15.132^b	1.102	5.513	0.322	3.047
Interval_1**	0.039	0.016	0.001	0.006	0.005	0.044^c	−0.000	0.017	0.008	0.004
Interval_2**	−0.093	−0.013	0.039	−0.043	−0.019	−0.090	0.032	0.003	−0.016	0.007
Constant	87.521^a	88.898	80.553^a	57.821^a	68.591^a	66.407^a	95.134^a	82.803^a	48.498^a	56.416^a
R-squared	0.462	0.220	0.333	0.225	0.479	0.462	0.463	0.311	0.373	0.397

*The scores at followup were regressed on covariates.
a,  b  and  c denote the significance level at the 1, 5, and 10%, respectively.
**These covariates transformed as mean centering.