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Table 11 Comparison of ascending aortic diameters (root and tubular parts) among different age groups

From: Multidetector computed tomography study to measure thoracic aorta diameters in Egyptian population

Diameter (mm)

Age group

P value

Group A (< 40 y) (n = 69)

Group B (40–60 y) (n = 312)

Group C (> 60 y) (n = 135)

Mean ± SD

Annulus

Mean

23.55 ± 2.54

23.20 ± 2.62

22.61 ± 2.34

0.025

Indexed

11.86 ± 1.39

11.66 ± 1.44

11.71 ± 1.26

0.456

Sinus

Mean

33.21 ± 3.66

33.90 ± 4.08

33.69 ± 3.70

0.426

Indexed

16.72 ± 1.93

17.03 ± 2.13

17.46 ± 2.08

0.029

STJ

Mean

25.23 ± 2.51

26.29 ± 3.19

26.24 ± 2.90

0.057

Indexed

12.71 ± 1.40

13.21 ± 1.70

13.59 ± 1.58

< 0.001

Tubular

Mean

28.58 ± 3.88

31.01 ± 3.94

32.10 ± 4.31

< 0.001

Indexed

14.39 ± 2.04

15.59 ± 2.08

16.6 ± 2.46

< 0.001

  1. Bold mean significant values that is less than or equal 0.05