Table 3 Change in vision by groups.

From: Long-term outcomes of intravenous fibrinolysis in central retinal artery occlusion

 

BCVA1

BCVA2

BCVA1 category

BCVA2 category

BCVA category change

t-test p-value

F-test p-value

Median (IQR)

Median (IQR)

Mean (SD)

Mean (SD)

Mean (SD)

All (N = 46)

0.0010 (0.0097)

0.010 (0.099)

− 2.9 (1.1)

− 2.1 (1.4)

0.8 (1.4)

0.147*

0.040#

No-IVT (N = 30)

0.0010 (0.0097)

0.010 (0.028)

− 3.0 (1.1)

− 2.5 (1.5)

0.5 (1.5)

IVT (N = 16)

0.0010 (0.0092)

0.039 (0.103)

− 2.7 (1.2)

− 1.5 (1.1)

1.2 (1.2)

Early-IVT (N = 7)

0.0010 (0.0009)

0.050 (0.781)

− 3.0 (1.4)

− 1.0 (0.9)

2.0 (1.3)

Late-IVT (N = 9)

0.010 (0.001)

0.025 (0.090)

− 2.4 (1.0)

− 1.8 (1.1)

0.5 (0.7)

  1. IVT intravenous thrombolysis, BCVA1 initial best corrected visual acuity on first presentation, BCVA2 final best corrected visual acuity on follow-up, IQR interquartile range, SD standard deviation.
  2. *Comparison of IVT vs. no-IVT group by t-test.
  3. #Comparison of no-IVT vs. early-IVT vs. late-IVT groups by ANOVA F-test.
  4. Other pairwise comparisons: early-IVT vs. late IVT p = 0.014 (t-test), early-IVT vs. no-IVT p = 0.023 (t-test).