Table 4.

Comparisons of choriocapillaris density between central and extra-central subfields in CSC, fellow and control eyes.

Variable	Groups	Extra-central	Central	P-value
Choriocapillaris density, %	CSC, mean ± SD	47.0 ± 1.1	46.0 ± 1.1	< 0.0012
	Fellow, mean ± SD	46.8 ± 1.3	45.7 ± 1.1	< 0.0012
	Control, mean ± SD	46.2 ± 1.8	45.6 ± 1.1	0.0572

Data are presented as means ± standard deviations unless otherwise indicated.

CSC central serous chorioretinopathy.

¹The paired t test for parameters with normal distribution.

²The Wilcoxon matched-pairs signed rank test for parameters with nonnormal distribution.