Table 5.
Comparison of FFA between OIS and control.
| OIS | Control | p value | |
|---|---|---|---|
| Number of eyes | 30 | 30 | |
| Circulation time (s) | |||
| ART | 34.33 ± 11.87 | 16.73 ± 4.40 | p < 0.001∗ |
| AVP | 13.17 ± 2.23 | 11.37 ± 1.50 | p = 0.001∗ |
| Choroidal filling time delay, n (%) | 19 (63.33%) | 2 (6.67%) | p < 0.001‡ |
| Fundus features | 27 (90.00%) | 4 (13.33%) | p < 0.001‡ |
| Staining of the retinal vessels, n (%) | 27 (90.00%) | 2 (6.67%) | p < 0.001‡ |
| Leakage, n (%) | 26 (86.67%) | 4 (13.33%) | p < 0.001‡ |
| Macular oedema, n (%) | 16 (53.33%) | 1 (3.33%) | p < 0.001‡ |
| Retinal neovascularization, n (%) | 14 (46.67%) | 2 (6.67%) | p < 0.001‡ |
| Capillary nonperfusion area, n (%) | 20 (66.67%) | 4 (13.33%) | p < 0.001‡ |
| Microaneurysms, n (%) | 19 (63.33%) | 2 (6.67%) | p < 0.001‡ |
FFA: fundus fluorescein angiography; ART: the arm-retina time; AVP: retinal arteriovenous passage time; CNP: retinal capillary nonperfusion. ∗p values were calculated using the independent t-test. †p values were calculated using the Mann–Whitney U test. ‡Fisher's exact test of chi-square tests.