Table 1 Demographics and baseline clinical characteristics.

From: Evaluation of flow of chorioretinal capillaries in healthy black and white subjects using optical coherence tomography angiography

 

White subjects

Black subjects

P-value

Sex

  

0.38

Male (%)

13 (45%)

16 (55%)

 

Female (%)

16 (55%)

13 (45%)

 

Age, years

27.8 ± 4.2

27.5 ± 4.9

0.55

Axial Length (mm)

23.8 ± 1.5

24.4 ± 1.3

0.08

Spherical equivalent, diopters

 − 0.9 ± 1.4

 − 1.15 ± 1.7

0.94

Image quality index

8.6 ± 0.60

8.4 ± 0.98

0.77

Signal strength index

72.3 ± 8

71.9 ± 7.4

0.81

  1. Data are presented as mean ± standard deviation. For baseline data, P values were calculated using Pearson's chi-squared test for categorical variables and the Wilcoxon rank-sum test for continuous variables.