Table 2.

Resting cardiac measurements and elastance of participants, by sex mean ± SD.

	Indigenous men (n=6)	Indigenous women (n=4)	p-Value	Indigenous (n=10)	European men (n=6)	European women (n=4)	European descent (n=10)	p-Valuea	p- valueb
LV mass/height2.7 (g·m−2.7)	36.9 ± 7.8	29.8 ± 3.5	0.13	34.0 ± 7.1	43.3 ± 6.1	28.3 ± 2.2	37.3 ± 9.0	0.04	0.35
EAI (mmHg·mL−1·m−2)	0.55 ± 0.17	0.80 ± 0.15	0.02	0.65 ± 0.20	0.57 ± 0.13	0.80 ± 0.06	0.66 ± 0.15	0.01	0.34
ELVI (mmHg·mL−1·m−2)	0.75 ± 0.24	1.14 ± 0.40	0.08	0.91 ± 0.34	0.81 ± 0.12	1.21 ± 0.18	0.97 ± 0.25	0.02	0.31
EAI/ELVI	0.74 ± 0.04	0.73 ± 0.12	0.75	0.74 ± 0.08	0.71 ± 0.09	0.67 ± 0.07	0.69 ± 0.08	0.41	0.22
Systolic
LVID (cm)	3.30 ± 0.40	3.06 ± 0.38	0.37	3.20 ± 0.39	3.50 ± 0.29	2.92 ± 0.25	3.27 ± 0.40	0.02	0.72
LVID/BSA (m·m−2)	15.8 ± 1.6	18.1 ± 3.2	0.17	16.7 ± 2.5	17.6 ± 2.1	17.2 ± 0.8	17.5 ± 1.6	0.71	0.45
End systolic volume (mL)	72.3 ± 16.8	55.4 ± 13.4	0.13	65.6 ± 17.1	70.1 ± 5.9	49.8 ± 4.9	62.0 ± 11.7	0.01	0.59
End systolic volume/BSA (mL·m−2)	34.6 ± 7.4	32.3 ± 6.4	0.63	33.7 ± 6.7	35.2 ± 3.3	29.4 ± 2.2	32.9 ± 4.1	0.02	0.76
Diastolic
LVID (cm)	4.86 ± 0.34	4.56 ± 0.19	0.15	4.74 ± 0.32	5.19 ± 0.14	4.49 ± 0.45	4.91 ± 0.46	0.08	0.33
Relative wall thickness	0.41 ± 0.08	0.34 ± 0.05	0.16	0.38 ± 0.07	0.40 ± 0.02	0.37 ± 0.05	0.39 ± 0.04	0.29	0.83
End diastolic volume (mL)	169.3 ± 33.5	131.3 ± 22.8	0.08	154.1 ± 36.0	171.1 ± 24.2	124.7 ± 8.5	152.5 ± 30.4	0.04	0.52
End diastolic volume/BSA (mL·m−2)	81.1 ± 16.2	76.7 ± 9.8	0.65	79.3 ± 13.5	86.1 ± 13.5	73.7 ± 3.2	81.1 ± 12.1	0.08	0.76

^aSex differences among European descendants;

^bEthnic comparison.

BSA: body surface area; E_AI: arterial elastance indexed for body surface area; E_LVI: ventricular elastance indexed for BSA; LV: left ventricular; LVID: left ventricular internal diameter; SD: standard deviation.