Table 1.

Comparison between Groups 1 and 2 with regard to demographic data.

		Group 1 n = 20	Group 2 n = 20	Test value	p	Significance
Age (y)	Mean ± SD	60.85 ± 11.41	60.35 ± 11.08	0.141b	0.889	NS
	Range	40–86	31–87
Sex	Males	16 (80.0)	14 (70.0)	0.533a	0.465	NS
	Females	4 (20.0)	6 (30.0)
Smoking	Non-smoker	8 (40.0)	9 (45.0)	2.748a	0.253	NS
	Smoker	11 (55.0)	7 (35.0)
	Ex-smoker	1 (5.0)	4 (20.0)
DM	Negative	13 (65.0)	6 (30.0)	4.912a	0.027	S
	Positive	7 (35.0)	14 (70.0)
HTN	Negative	11 (55.0)	10 (50.0)	0.100a	0.752	NS
	Positive	9 (45.0)	10 (50.0)
CHF	Negative	12 (60.0)	14 (70.0)	0.440a	0.507	NS
	Positive	8 (40.0)	6 (30.0)
Dyslipidemia	Negative	11 (55.0)	10 (50.0)	0.100a	0.752	NS
	Positive	9 (45.0)	10 (50.0)
BMI, kg/m2	Mean ± SD	28.80 ± 3.24	30.00 ± 4.40	−0.982b	0.332	NS
	Range	25–36	23–37
EF eye-balling	Mean ± SD	31.25 ± 6.35	31.75 ± 5.85	−0.259	0.797	NS
	Range	19–40	18–40
LVEDD, mm	Mean ± SD	60.50 ± 9.42	59.10 ± 9.21	0.475	0.637	NS
	Range	47–84	44–75
LVESD, mm	Mean ± SD	48.05 ± 10.13	49.60 ± 9.54	−0.498	0.621	NS
	Range	36–72	36–68
Serum creatinine, mg/dL	Mean ± SD	1.12 ± 0.34	1.42 ± 0.59	−1.975	0.056	NS
	Range	0.6–2	0.8–2.5
INR	Mean ± SD	1.12 ± 0.15	1.30 ± 0.40	−1.871	0.069	NS
	Range	1–1.5	0.9–2.1
HB, gm/dL	Mean ± SD	12.51 ± 2.19	11.62 ± 1.54	1.487	0.145	NS
	Range	7.5–16	9–14.7

Data are presented as n (%), mean ± SD, or range.

BMI = body mass index; CHF = chronic heart failure; DM = diabetes mellitus; EF = ejection fraction; HB = hemoglobin; HS = highly significant; HTN = hypertension; INR = international normalized ratio; LVEDD = left ventricular end diastolic diameter; LVESD = left ventricular end systolic diameter; NS = non-significant; S = significant.

^aChi-square test.

^bIndependent t test.