Table 4 Paired t-test for changes in retinal thickness between 2 years.

From: Assessment of macular choroidal and retinal thickness: a cohort study in Tibetan healthy children

Macular layers

Mean

SD

95% CI

t

P value

Full retina (μm)

Center

 − 32.54

31.10

 − 34.58

 − 30.51

 − 31.35

 < 0.001*

Average

5.84

18.63

4.62

7.06

9.39

 < 0.001*

Inner_T

3.86

21.96

2.42

5.30

5.27

 < 0.001*

Inner_S

4.86

24.29

3.26

6.45

5.99

 < 0.001*

Inner_N

 − 4.92

25.08

 − 6.56

 − 3.28

 − 5.88

 < 0.001*

Inner_I

15.64

28.90

13.75

17.53

16.22

 < 0.001*

Outer_T

9.65

22.35

8.19

11.11

12.94

 < 0.001*

Outer_S

10.50

20.27

9.17

11.82

15.52

 < 0.001*

Outer_N

11.87

22.24

10.41

13.32

16.00

 < 0.001*

Outer_I

 − 1.74

26.27

 − 3.46

 − 0.02

 − 1.99

0.047*

GCIPL (μm)

Average

5.22

5.30

4.87

5.57

29.46

 < 0.001*

GCC (μm)

Average

 − 0.13

8.74

 − 0.71

0.44

 − 0.46

0.649

  1. *P < 0.05, Statistical differences between the thickness in the baseline and second-year follow-up examination.
Back to article page