Table 4: Thickness of macular GCC by SD-OCT

N (n = 68)

PG (n = 70)

P (n = 62)

0 month (MD ± SD)

12 months (MD ± SD)

p*

0 month (MD ± SD)

12 months (MD ± SD)

p#

0 month (MD ± SD)

12 months (MD ± SD)

p**

Superior GCC

101.47 ± 11.46

101.17 ± 8.58

0.28

92.97 ± 10.20

91.20 ± 8.42

0.42

82.78 ± 12.97

79.93 ± 12.91

0.35

Inferior GCC

103.91 ± 6.33

102.91 ± 6.31

0.23

95.85 ± 8.43

91.71 ± 8.74

0.04

83.48 ± 13.97

81.12 ± 13.45

0.84

Total GCC

102.70 ± 7.19

101.82 ± 7.42

0.47

94.86 ± 8.31

90.74 ± 8.46

0.03

82.48 ± 13.21

79.80 ± 12.88

0.80

*GCC change in normal eyes over 1 year; ^#GCC change in pre-perimetric eyes over 1 year; **GCC change in perimetric eyes over 1 year