Clinical Study

Acute-Onset Vitreous Hemorrhage of Unknown Origin before Vitrectomy: Causes and Prognosis

Table 3

Findings in the fellow eye of acute-onset vitreous hemorrhage (VH) of preoperatively unknown origin.

AllRVOwAMDRetinal break

LogMAR BCVA0.19 ± 0.46 0.17 ± 0.38 0.44 ± 0.45 0.05 ± 0.09 <0.001
Fundus finding
 Normal 131/169 (77.5%)61/74 (82.4%)4/21 (19.0%)45/50 (90.0%)<0.001
 Drusen21/169 (12.4%)5/74 (6.8%)15/21 (71.4%)1/50 (2.0%)<0.001
 Retinal break5/169 (3.0%)0/74 (0.0%)0/21 (0.0%)4/50 (8.0%)0.020
 RVO1/169 (0.6%)3/74 (4.1%)1/21 (4.8%)0/50 (0.0%)0.334
 Others8/169 (4.7%)5/74 (6.8%)1/21 (4.8%)0/50 (0.0%)0.177

BCVA, best-corrected visual acuity; RVO, retinal vein occlusion; wAMD, wet age-related macular degeneration; AMD, age-related macular degeneration.
According to one-way ANOVA with the Bonferroni post test.
According to the Chi-square test.