Research Article

Outer Retinal Layers’ Thickness Changes in relation to Age and Choroidal Thickness in Normal Eyes

Table 3

Correlation of the 9 ETDRS subfields mean thickness of RPE-OS, ONL-IS, and CT with age, gender, refraction, axial length, and CT.

Correlation with ageCorrelation with genderCorrelation with CTCorrelation with refractionCorrelation with axial length
r valuer valuer valuer valuer value

RPE-OS
Central RPE-OS−0.345<0.001−0.0490.5900.2730.0020.0920.3060.0270.767
Inner ring
Superior−0.2530.004−0.1190.1860.1820.0420.0690.446−0.0250.779
Inferior−0.2800.002−0.1000.2680.2270.011−0.0340.7100.1020.256
Nasal−0.2870.001−0.0620.4920.339<0.0010.1090.224−0.0470.601
Temporal−0.2600.003−0.0580.5230.2830.0010.0910.310<0.0010.997
Outer ring
Superior−0.2640.003−0.1070.2360.1750.0510.1030.2520.0100.915
Inferior−0.396<0.001−0.0400.6550.3520.0010.0530.5550.0760.397
Nasal−0.366<0.001−0.0750.4070.479<0.0010.1640.068−0.0870.336
Temporal−0.311<0.001−0.0300.7430.325<0.0010.0710.4290.0100.915

ONL-IS
Central ONL-IS0.080.3760.0190.833−0.0750.4090.1360.130−0.1240.167
Inner ring
Superior0.0620.495−0.1730.054−0.0240.791−0.0120.893−0.0010.994
Inferior0.1430.111−0.1850.039−0.0470.5990.0050.9530.0170.853
Nasal−0.0460.614−0.1320.1420.1140.2070.0940.2970.1230.171
Temporal0.2940.001−0.0950.292−0.2370.008−0.0370.681−0.0470.604
Outer ring
Superior0.0730.417−0.0990.271−0.0390.6650.0270.766−0.0160.861
Inferior0.1640.068−0.1440.109−0.1240.168−0.0320.7250.0660.463
Nasal0.0570.530−0.0820.361−0.1140.2060.0040.962−0.0300.739
Temporal0.2220.013−0.0140.120−0.1350.133−0.0710.433−0.0140.880

CT
Central CT−0.725<0.001−0.0130.2550.1660.064−0.0150.868
Inner ring
Superior−0.727<0.001−0.1010.2600.865<0.001−0.0030.9760.0540.547
Inferior−0.669<0.001−0.1200.1830.837<0.0010.0150.8710.0570.528
Nasal−0.672<0.001−0.1190.1860.784<0.001−0.0300.7440.0170.853
Temporal−0.683<0.001−0.1100.2240.781<0.001−0.0180.840−0.0240.790
Outer ring
Superior−0.729<0.001−0.0720.4240.817<0.001−0.0030.9760.0650.470
Inferior−0.651<0.001−0.1420.1140.772<0.0010.0450.6210.0750.403
Nasal−0.566<0.001−0.1770.0480.700<0.0010.0000.9980.0540.549
Temporal−0.658<0.001−0.0940.2960.704<0.0010.0200.822−0.0470.601

CT: choroidal thickness. Bold numbers refer to statistically significant values.