Longitudinal Alterations of Retinal and Choroidal Structure in Patients Recovered from COVID-19
Table 2
Choroidal parameter over the study period.
Baseline
1st month
3rd month
P value
Pairwise comparison¥
Choroidal thickness (µm)
SFCT
340.8 ± 46.5
335.4 ± 42.4
341.1 ± 46.4
0.54
Nasal
335.9 ± 49.7
332.1 ± 47.3
333.4 ± 49.2
0.47
Temporal
329.8 ± 50.6
330.03 ± 44.5
333.5 ± 51.2
0.77
CVI
0.64 ± 0.05
0.67 ± 0.05
0.63 ± 0.04
0.023
0, 1 (0.012) 1, 3 (0.01)
Choroidal structural components
Luminal area (mm2)
2.03 ± 0.31
2.03 ± 0.28
1.91 ± 0.23
0.045
1, 3 (0.023) 2, 3 (0.045)
Stromal area (mm2)
1.16 ± 0.29
1.01 ± 0.27
1.11 ± 0.24
0.006
0, 1 (0.03) 1, 3 (0.05)
Total area (mm2)
3.19 ± 0.55
3.04 ± 0.45
3.02 ± 0.38
0.88
Based on GEE; CVI: choroidal vascularity index. SD: standard deviation. SFCT: subfoveal choroidal thickness. ¥Bonferroni method was used to adjust for the multiple comparisons.
