Two-dimensional echocardiographic and strain values of the proximal thoracic aorta in a normal sub-Saharan African population

Table 2 Echocardiographic measurements of the population according to sex and age

Variable	Total	Male	Female	P value	Group 1	Group 2	Group 3	Group 4	P value
	N = 88	N = 34	N = 54		≤ 29 (N = 26)	30–39 (n = 25)	40–49 (n = 22)	≥ 50 (n = 15)
AA (mm)	19.11 ± 2.38	19.69 ± 1.99	18.71 ± 2.54	0.028	18.5 ± 2.55	18.99 ± 2.06	19.39 ± 2.41	20.14 ± 2.28	0.188
AA/BSA (mm/m²)	8.99 ± 1.12	10.87 ± 1.21	10.15 ± 1.53	< 0.001	10.59 ± 1.45	10.3 ± 1.48	9.12 ± 1.13	10.83 ± 1.23	< 0.001
Sinuses (mm)	27.4 ± 6.11	28.08 ± 3.62	26.89 ± 7.34	0.044	25.53 ± 3.57	26.9 ± 2.49	27.3 ± 4.12	32.07 ± 12.24	0.01
Sinuses/BSA (mm/m²)	12.89 ± 2.87	15.50 ± 2.02	14.49 ± 3.16	0.053	14.63 ± 2.02	13.35 ± 1.24	12.84 ± 1.94	17.24 ± 6.58	< 0.001
STJ (mm)	25.32 ± 3.52	26.23 ± 3.38	24.67 ± 3.49	0.001	23.74 ± 4.50	25.56 ± 1.94	26 ± 2.99	26.86 ± 3.35	0.024
STJ/BSA (mm/m²)	11.91 ± 1.65	14.47 ± 1.84	13.36 ± 1.89	0.132	13.57 ± 2.34	12.69 ± 0.96	12.23 ± 1.41	14.43 ± 1.80	0.001
AAO (mm)	25.36 ± 3.38	25.66 ± 3.02	25.04 ± 3.58	0.268	23.63 ± 3.56	25.16 ± 2.59	26.09 ± 2.91	27.71 ± 3.34	0.001
AAO/BSA (mm/m²)	11.93 ± 1.59	14.15 ± 1.84	13.55 ± 1.92	0.369	13.51 ± 1.85	12.49 ± 1.29	12.27 ± 1.37	14.89 ± 1.79	< 0.001
Aorta CS (%)	11.97 ± 5.05	11.51 ± 5.02	11.38 ± 6.71	0.051	13.99 ± 5.27	12.20 ± 4.62	10.52 ± 4.85	9.62 ± 4.16	0.427

AA aortic annulus, AAO ascending aorta, CS circumferential strain, STJ sinotubular junction, Sinuses aortic sinuses

ISSN: 2055-0464