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 age | Correlation with gender | Correlation with CT | Correlation with refraction | Correlation with axial length | r | value | r | value | r | value | r | value | r | value |
| RPE-OS | Central RPE-OS | −0.345 | <0.001 | −0.049 | 0.590 | 0.273 | 0.002 | 0.092 | 0.306 | 0.027 | 0.767 | Inner ring | Superior | −0.253 | 0.004 | −0.119 | 0.186 | 0.182 | 0.042 | 0.069 | 0.446 | −0.025 | 0.779 | Inferior | −0.280 | 0.002 | −0.100 | 0.268 | 0.227 | 0.011 | −0.034 | 0.710 | 0.102 | 0.256 | Nasal | −0.287 | 0.001 | −0.062 | 0.492 | 0.339 | <0.001 | 0.109 | 0.224 | −0.047 | 0.601 | Temporal | −0.260 | 0.003 | −0.058 | 0.523 | 0.283 | 0.001 | 0.091 | 0.310 | <0.001 | 0.997 | Outer ring | Superior | −0.264 | 0.003 | −0.107 | 0.236 | 0.175 | 0.051 | 0.103 | 0.252 | 0.010 | 0.915 | Inferior | −0.396 | <0.001 | −0.040 | 0.655 | 0.352 | 0.001 | 0.053 | 0.555 | 0.076 | 0.397 | Nasal | −0.366 | <0.001 | −0.075 | 0.407 | 0.479 | <0.001 | 0.164 | 0.068 | −0.087 | 0.336 | Temporal | −0.311 | <0.001 | −0.030 | 0.743 | 0.325 | <0.001 | 0.071 | 0.429 | 0.010 | 0.915 |
| ONL-IS | Central ONL-IS | 0.08 | 0.376 | 0.019 | 0.833 | −0.075 | 0.409 | 0.136 | 0.130 | −0.124 | 0.167 | Inner ring | Superior | 0.062 | 0.495 | −0.173 | 0.054 | −0.024 | 0.791 | −0.012 | 0.893 | −0.001 | 0.994 | Inferior | 0.143 | 0.111 | −0.185 | 0.039 | −0.047 | 0.599 | 0.005 | 0.953 | 0.017 | 0.853 | Nasal | −0.046 | 0.614 | −0.132 | 0.142 | 0.114 | 0.207 | 0.094 | 0.297 | 0.123 | 0.171 | Temporal | 0.294 | 0.001 | −0.095 | 0.292 | −0.237 | 0.008 | −0.037 | 0.681 | −0.047 | 0.604 | Outer ring | Superior | 0.073 | 0.417 | −0.099 | 0.271 | −0.039 | 0.665 | 0.027 | 0.766 | −0.016 | 0.861 | Inferior | 0.164 | 0.068 | −0.144 | 0.109 | −0.124 | 0.168 | −0.032 | 0.725 | 0.066 | 0.463 | Nasal | 0.057 | 0.530 | −0.082 | 0.361 | −0.114 | 0.206 | 0.004 | 0.962 | −0.030 | 0.739 | Temporal | 0.222 | 0.013 | −0.014 | 0.120 | −0.135 | 0.133 | −0.071 | 0.433 | −0.014 | 0.880 |
| CT | Central CT | −0.725 | <0.001 | −0.013 | 0.255 | — | — | 0.166 | 0.064 | −0.015 | 0.868 | Inner ring | Superior | −0.727 | <0.001 | −0.101 | 0.260 | 0.865 | <0.001 | −0.003 | 0.976 | 0.054 | 0.547 | Inferior | −0.669 | <0.001 | −0.120 | 0.183 | 0.837 | <0.001 | 0.015 | 0.871 | 0.057 | 0.528 | Nasal | −0.672 | <0.001 | −0.119 | 0.186 | 0.784 | <0.001 | −0.030 | 0.744 | 0.017 | 0.853 | Temporal | −0.683 | <0.001 | −0.110 | 0.224 | 0.781 | <0.001 | −0.018 | 0.840 | −0.024 | 0.790 | Outer ring | Superior | −0.729 | <0.001 | −0.072 | 0.424 | 0.817 | <0.001 | −0.003 | 0.976 | 0.065 | 0.470 | Inferior | −0.651 | <0.001 | −0.142 | 0.114 | 0.772 | <0.001 | 0.045 | 0.621 | 0.075 | 0.403 | Nasal | −0.566 | <0.001 | −0.177 | 0.048 | 0.700 | <0.001 | 0.000 | 0.998 | 0.054 | 0.549 | Temporal | −0.658 | <0.001 | −0.094 | 0.296 | 0.704 | <0.001 | 0.020 | 0.822 | −0.047 | 0.601 |
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CT: choroidal thickness. Bold numbers refer to statistically significant values.
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