Table 3 Post-hoc comparison of mean tear and serum VEGF after adjustment.

From: Evaluation of vascular endothelial growth factor (VEGF) level in the tears and serum of age-related macular degeneration patients

Variable

Group

Mean difference (95%, CI)

p value*

Tear VEGF

Late AMD versus early AMD

131.72 (103.85, 159.60)

< 0.001

Late AMD versus control

175.32 (147.45, 203.19)

< 0.001

Early AMD versus control

43.60 (15.72, 71.46)

0.001

Serum VEGF

Late AMD versus early AMD

105.19 (74.35, 136.03)

< 0.001

Late AMD versus control

107.98 (77.14, 138.83)

< 0.001

Early AMD vs control

2.79 (− 28.05, 33.63)

> 0.99

  1. AMD Age-related macular degeneration, VEGF Vascular endothelial growth factor.
  2. *Bonferroni post-hoc comparison test, p < 0.05 was considered significant.
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