Corneal Endothelial Cell Density and Morphology in Healthy Egyptian Eyes
Table 4
Comparison of variables pertaining to the corneal endothelial cell density and morphology among different age groups of Egyptian subjects with healthy eyes.
Age group (years)
Age
CCT (μm)
MCD (cells/mm2)
CV in cell area (%)
Hex (%)
MCA (μm2)
20–30
Mean
24.44
525.92
2933.75
29.44
60.21
345.303
SD
2.884
46.83
345.92
3.56
9.02
55.96
95% CI
517.2–536.8
2843.5–2983.7
28.6–30.1
58.3–61.9
336.5–358.8
31–40
Mean
34.83
518.65
2693.57
31.05
54.85
416.77
SD
2.81
67.99
287.34
4.21
7.490
391.56
95% CI
496.7–527.2
2638.9–2788.7
30.3–32.1
53.3–56.9
323.3–498.5
41–50
Mean
45.36
503.62
2663.65
31.74
54.92
379.896
SD
2.96
28.57
332.18
3.83
7.12
48.27
95% CI
500.1–512.7
2591.3–2720.4
31.4–33.2
52.5–55.9
370.8–389.9
51–60
Mean
54.80
516.92
2582.88
32.65
53.75
391.616
SD
2.39
34.56
333.09
5.49
9.42
56.46
95% CI
512.5–522.6
2532.9–2636.2
31.7–33.3
52.3–54.8
383.4–400.9
61–70
Mean
63.02
512.59
2549.68
33.98
50.17
404.615
SD
2.74
42.71
414.12
5.45
13.17
82.33
95% CI
498.4–517.3
2430.2–2606.5
33.4–35.8
46.1–52.2
393.7–439.1
>70
Mean
75.42
504.98
2456.81
35.47
46.81
425.186
SD
4.61
35.33
443.65
5.29
16.17
139.68
95% CI
495.1–518.7
2287.2–2577.3
33.8–37.5
40.5–52.1
380.6–454.8
SD: standard deviation; CCT: central corneal thickness; MCD: mean endothelial cell density; CV: coefficient of variation; Hex: hexagonal cells; MCA: mean cell area; CI: confidence interval.
