Journal of Ophthalmology / 2019 / Article / Tab 2

Research Article

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

Table 2

Comparison of mean thickness (in μm) of 9 ETDRS subfields for RPE-OS, ONL-IS, and choroid in the 3 studied groups.

Group 1 (mean ± SD)Group 2 (mean ± SD)Group 3 (mean ± SD)G1 vs G2G1 vs G3G2 vs G3

RPE-OS
Central RPE-OS74.76 ± 3.074.63 ± 3.3371.05 ± 4.81<0.0010.87<0.001<0.001
Inner ring
Superior67.62 ± 2.7168.05 ± 3.2865.19 ± 3.65<0.0010.540.001<0.001
Inferior67.73 ± 3.2868.07 ± 3.4864.84 ± 3.33<0.0010.64<0.001<0.001
Nasal67.98 ± 2.7767.56 ± 4.4564.78 ± 4.11<0.0010.61<0.0010.002
Temporal68.16 ± 2.9968.98 ± 3.6165.32 ± 3.57<0.0010.26<0.001<0.001
Outer ring
Superior65.04 ± 2.2065.79 ± 3.4462.46 ± 3.35<0.0010.25<0.001<0.001
Inferior64.44 ± 2.3464.256 ± 2.8461.0 ± 3.46<0.0010.76<0.001<0.001
Nasal64.91 ± 2.6063.69 ± 4.4661.24 ± 2.96<0.0010.10<0.0010.002
Temporal64.60 ± 1.9564.72 ± 3.6261.54 ± 3.70<0.0010.86<0.001<0.001

ONL-IS
Central ONL-IS83.98 ± 10.384.00 ± 24.5788.16 ± 11.510.450.990.270.27
Inner ring
Superior69.69 ± 7.4471.86 ± 8.6869.29 ± 8.880.3210.2230.830.17
Inferior69.16 ± 8.8970.69 ± 9.21871.51 ± 9.580.4970.4340.250.69
Nasal70.62 ± 10.4873.09 ± 10.8868.57 ± 10.120.1600.2730.380.06
Temporal69.38 ± 8.7370.58 ± 8.7975.00 ± 9.050.0140.5250.0050.03
Outer ring
Superior61.13 ± 7.5562.26 ± 8.4661.621 ± 8.7950.8160.5250.7900.732
Inferior57.18 ± 7.3758.86 ± 8.5559.540 ± 8.1020.3830.3270.1860.706
Nasal58.53 ± 6.7459.26 ± 9.5358.757 ± 10.7120.9300.7080.9110.806
Temporal60.51 ± 8.2962.23 ± 8.7764.324 ± 8.9130.1430.3520.0490.283

CT
Central CT356.16 ± 59.88296.21 ± 41.26255.14 ± 33.61<0.001<0.001<0.001<0.001
Inner ring
Superior352.69 ± 56.17291.442 ± 32.22257.49 ± 33.04<0.001<0.001<0.0010.001
Inferior345.73 ± 63.77279.48 ± 32.06254.97 ± 35.44<0.001<0.001<0.0010.021
Nasal316.73 ± 50.67263.14 ± 32.13231.03 ± 33.68<0.001<0.001<0.0010.001
Temporal338.80 ± 54.55280.51 ± 35.21243.70 ± 32.05<0.001<0.001<0.001<0.001
Outer ring
Superior338.07 ± 52.29276.05 ± 28.84244.86 ± 36.59<0.001<0.001<0.0010.001
Inferior324.16 ± 61.13258.49 ± 33.55229.46 ± 51.99<0.001<0.001<0.0010.011
Nasal273.18 ± 46.56235.49 ± 36.32207.73 ± 35.19<0.001<0.001<0.0010.002
Temporal322.47 ± 52.19261.88 ± 39.01229.19 ± 31.94<0.001<0.001<0.0010.001

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

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