Table 1.

Cardiac function assessed by echocardiography at 12 weeks of air or E-cig exposure

	Air	E-cig Nic +	p value	Effect size
	n = 37	n = 32		(Cohen’s d)
LV Diastolic ID (mm)	7.85 ± 0.18	8.03 ± 0.17	0.478	0.17
LV Systolic ID (mm)	5.74 ± 0.17	5.77 ± 0.23	0.918	0.03
LVFS	27.11 ± 1.00	28.85 ± 1.75	0.395	0.21
LV systolic wall thickness (mm)	3.74 ± 0.14	3.88 ± 0.18	0.562	0.14
LV diastolic wall thickness (mm)	2.91 ± 0.12	2.87 ± 0.14	0.835	0.05

LV left ventricular, ID internal diameter, LVFS left ventricular fractional shortening