Table 2 Central corneal thickness and corneal endothelial cell characteristics in study participants stratified by age group

10–19 years

501.8 ± 27.3

3104.3 ± 246.9

324.8 ± 27.1

30.6 ± 3.7

55.9 ± 10.1

20–29 years

504.5 ± 32.1

3016.6 ± 221.3

333.8 ± 24.9

31.6 ± 3.2

54.1 ± 6.5

30–39 years

501.5 ± 30.4

2944.7 ± 205.9

345.1 ± 30.7

33.5 ± 3.4

50.3 ± 6.2

40–49 years

509.4 ± 33.6

2865.2 ± 237.7

351.6 ± 32.1

32.9 ± 3.1

50.3 ± 4.8

50–59 years

505.4 ± 32.2

2773.7 ± 256.5

365.3 ± 37.6

33.9 ± 2.4

50.1 ± 5.0

≥60 years

502.9 ± 29.4

2660.0 ± 355.3

379.8 ± 51.3

35.4 ± 3.4

49.1 ± 6.5

All

504.2 ± 30.7

2907.1 ± 290.9

348.5 ± 38.4

32.9 ± 3.6

51.8 ± 7.2

p-Value

0.83

< 0.001

< 0.001

< 0.001

< 0.001

2.5th percentile

449.6

2165.3

293.0

26.0

38.3

97.5th percentile

566.0

3414.4

465.1

40.3

66.4

SW test (p-Value)

0.97 (< 0.001)

0.99 (0.012)

0.92 (< 0.001)

0.99 (0.15)

0.97 (< 0.001)

Skewness

− 0.29

− 0.52

+ 1.28

+ 0.23

+ 0.001