Table 2.

Means of OCT Parameter Values of Right and Left Eyes, Interocular Differences (Right Eye Minus Left Eye), and Intereye Correlation

Parameters	Right Eye, Mean (SD)	Left Eye, Mean (SD)	Intereye Difference, Mean (SD)	P Value	Correlation Coefficient
Average RNFL	88.06 (9.65)	87.67 (9.74)	0.39 (6.12)	0.18	0.80
TP quadrant	62.77 (12.12)	61.53 (12.28)	1.24 (9.11)	<0.001	0.72
SP quadrant	104.23 (15.15)	106.64 (16.39)	−2.41 (12.79)	<0.001	0.67
NS quadrant	73.4 (11.16)	71.89 (10.59)	1.51 (8.32)	<0.001	0.71
IF quadrant	111.86 (16.49)	110.61 (16.28)	1.25 (12.35)	0.03	0.72
Clock hour 1	89.01 (18.26)	97.2 (19.88)	−8.19 (16.74)	<0.001	0.62
Clock hour 2	86.28 (17.08)	83.63 (15.26)	2.65 (14.11)	<0.001	0.62
Clock hour 3	64.88 (11.41)	63.19 (10.38)	1.68 (10.19)	<0.001	0.57
Clock hour 4	69.03 (12.3)	68.95 (13.74)	0.09 (11.94)	0.88	0.58
Clock hour 5	91.56 (20.47)	91.48 (21.5)	0.08 (18.1)	0.93	0.63
Clock hour 6	121.74 (24.71)	123.21 (24.93)	−1.48 (21.22)	0.14	0.63
Clock hour 7	122.26 (23.36)	117.14 (23.39)	5.12 (21.13)	<0.001	0.59
Clock hour 8	64.13 (15.52)	59.95 (15.3)	4.18 (12.94)	<0.001	0.65
Clock hour 9	51.02 (10.31)	50.49 (10.42)	0.53 (9.11)	0.21	0.61
Clock hour 10	73.26 (14.82)	74.19 (16.58)	−0.93 (14.02)	0.16	0.61
Clock hour 11	117.52 (21.48)	116.38 (22.84)	1.14 (21.03)	0.25	0.55
Clock hour 12	106.02 (25.25)	106.31 (25.58)	−0.28 (21.5)	0.78	0.64
Average CDR	0.51 (0.17)	0.49 (0.18)	0.01 (0.10)	0.01	0.84
Vertical CDR	0.50 (0.17)	0.48 (0.17)	0.01 (0.10)	0.02	0.81
Disc area	1.78 (0.37)	1.80 (0.39)	−0.02 (0.22)	0.08	0.83
Rim area	1.23 (0.25)	1.25 (0.25)	−0.02 (0.15)	<0.001	0.80
Cup volume	0.16 (0.15)	0.16 (0.15)	0 (0.08)	0.20	0.87
Signal strength	8.88 (0.92)	8.67 (0.95)	0.21 (0.96)	<0.001	0.48

IF, inferior; NS, nasal; SP, superior; TP, temporal.