Table 3 Comparison of the Outer Retinal Thickness between the COVID-19 Patients (N = 25) and Control Group (N = 60)

Fovea

177.9 ± 11.3

179.3 ± 11.3

0.71

0.140 ± 0.009

0.141 ± 0.009

0.717

Parafovea

180.7 ± 8.7

181.9 ± 10.5

0.559

1.136 ± 0.054

1.143 ± 0.066

0.589

S Hemisphere

181.0 ± 9.2

182.8 ± 10.9

0.566

0.569 ± 0.029

0.574 ± 0.034

0.524

I Hemisphere

180.5 ± 8.9

181.0 ± 10.6

0.728

0.567 ± 0.028

0.568 ± 0.033

0.78

Temporal

179.9 ± 10.0

183.6 ± 13.1

0.313

0.283 ± 0.016

0.288 ± 0.021

0.339

Superior

181.5 ± 9.2

183.0 ± 11.0

0.54

0.285 ± 0.014

0.288 ± 0.017

0.537

Nasal

181.2 ± 10.9

180.6 ± 10.2

0.761

0.285 ± 0.017

0.284 ± 0.016

0.75

Inferior

180.3 ± 8.9

180.4 ± 11.2

0.981

0.283 ± 0.014

0.283 ± 0.017

0.996

Perifovea

170.1 ± 6.7

171.6 ± 8.9

0.175

2.137 ± 0.085

2.156 ± 0.111

0.168

S Hemisphere

171.8 ± 7.3

173.6 ± 8.8

0.143

1.079 ± 0.046

1.091 ± 0.056

0.14

I Hemisphere

168.4 ± 7.0

169.4 ± 9.3

0.377

1.057 ± 0.044

1.065 ± 0.058

0.328

Temporal

165.5 ± 6.9

168.8 ± 9.4

0.078

0.518 ± 0.023

0.530 ± 0.030

0.054

Superior

172.3 ± 7.7

174.9 ± 9.7

0.08

0.541 ± 0.024

0.550 ± 0.031

0.073

Nasal

176.1 ± 10.5

174.9 ± 9.4

0.881

0.553 ± 0.033

0.549 ± 0.030

0.9

Inferior

166.3 ± 7.2

167.6 ± 9.9

0.372

0.522 ± 0.023

0.527 ± 0.031

0.367