Table 3.
Retinal findings in subjects included in the study at baseline and follow-up.
| Eyes N = 59 Patients N = 32 |
Baseline (acute COVID-19) | 6 months F-UP (post COVID-19) | p*** |
|---|---|---|---|
|
Retinal hemorrhages Eyes (percentage) |
12 (20.3) | 1 (1.7) | 0.0009 |
|
Cotton wool spots Eyes (percentage) |
2 (3.4) | 0 (0) | 0.5 |
|
Drusen Eyes (percentage) |
8 (13.6) | 8 (13.6) | 1 |
|
Dilated veins* Eyes (percentage) |
12 (20.3) | 4 (6.8) | 0.007 |
|
Tortuous vessels* Eyes (percentage) |
10 (16.9) | 4 (6.8) | 0.03 |
| Mean artery diameter** µm (SD, range) | 97.5 (10.9, 59.3–120.9) | 92.2 (11.4, 55.4–114.7) | < 0.0001 |
| Mean vein diameter** µm (SD, range) | 133.1 (19.3, 98.9–201.34) | 124.6 (16.1, 89.7–162.5) | < 0.0001 |
COVID-19 Coronavirus disease 2019, SD standard deviation.
*According to qualitative evaluation performed by the ophthalmologists.
**Measured using the semi-automatic computer assisted method.
***McNemar Test for qualitative variables, linear mixed model for repeated measurements accounting for nesting of eyes within subjects for continuous variables.