Table 5.

Comparison among the three groups as regards risk factors and drug treatment, by χ² test then one-way analysis of variance

Risk factors and drug therapy		Group 1a (n=46)	Group 1b (n=54)	Control group (n=50)	P value
Male gender	n	32	37	29	0.06
	%	69.9	68.5	58.0
Smoking	n	31	30	22	0.4
	%	67.4	55.6	44.0
Hypertension	n	27	20	0	0.4
	%	57.8	37.9	0.0
Obesity (BMI >30 kg/m²)	n	36	32	30	0.126
	%	78.3	59.3	60
Aspirin	n	25	10	0	0.2
	%	54.3	18.5	0.0
Beta blocker	n	40	8	3	0.6
	%	87.0	14.8	6.0
ACEI	n	38	12	8	0.7
	%	82.6	22.2	16.0
Statin	n	33	39	8	0.9
	%	71.7	72.2	16.0
Diuretics	n	19	1	0	0.11
	%	41.3	1.9	0.0

ACEI, ACE inhibitor; BMI, body mass index.