Table 2 Comparison of mean VEGF levels between the groups.

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

VEGF (pg/mL)

Early AMD (n = 36)

Late AMD (n = 36)

Control (n = 36)

F statistics (df)

p value*

Tear

(Mean ± SD)

161.15 ± 36.73

292.88 ± 73.89

117.56 ± 16.66

84.16 ± 2.98

< 0.001

Serum

(Mean ± SD)

154.90 ± 39.09

260.10 ± 76.47

152.11 ± 36.08

34.12 ± 2.98

< 0.001

  1. *ANCOVA test applied after adjustment for age, sex, race, smoking and alcohol consumption, and comorbidities. p < 0.05 was considered significant.
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