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Table 1 OCT and OCTA parameters of FSV and SFCT in patients with CCSC and healthy individuals

From: Assessment of choriocapillary blood flow changes in response to half-dose photodynamic therapy in chronic central serous chorioretinopathy using optical coherence tomography angiography

FSV

normal subjects

(mean ± SD) %

CCSC eyes (mean ± SD)%

p-value

Affected eyes

Unaffected eyes

Pa

Pb

Pc

0 M

51.56 ± 3.13% (n = 40eyes)

53.63 ± 3.09% (n = 24eyes)

0.020

1 M

51.56 ± 3.13%

55.98 ± 3.82% (n = 25eyes)

53.69 ± 2.67% (n = 24eyes)

< 0.001

0.010

0.005

3 M

51.56 ± 3.13%

54.75 ± 2.93% (n = 27eyes)

53.41 ± 2.38% (n = 24eyes)

< 0.001

0.025

0.042

6 M

51.56 ± 3.13%

53.56 ± 3.28% (n = 19eyes)

52.80 ± 2.13% (n = 19eyes)

0.035

0.098

0.758

SFCT

normal subjects

(mean ± SD)μm

CCSC eyes (mean ± SD)μm

p-value

 

Affected eyes

Unaffected eyes

Pa

Pb

Pc

0 M

267.73 ± 99.18 (n = 40eyes)

447.29 ± 82.28 (n = 28eyes)

397.33 ± 70.57 (n = 24eyes)

< 0.001

< 0.001

0.004

1 M

267.73 ± 99.18

387.50 ± 93.77 (n = 28eyes)

370.62 ± 74.63 (n = 24eyes)

< 0.001

< 0.001

0.484

3 M

267.73 ± 99.18

375.30 ± 95.45 (n = 28eyes)

356.46 ± 73.06 (n = 24eyes)

< 0.001

< 0.001

0.407

6 M

267.73 ± 99.18

375.76 ± 104.15 (n = 21eyes)

359.33 ± 69.66 (n = 19eyes)

< 0.001

< 0.001

0.494

  1. CCSC chronic central serous chorioretinopathy, SFCT subretinal foveal choroidal thickness (μm); FSV (%), proportion of total areas of flow signal voids; Pa, p-values for healthy subjects versus affected eyes using Mann–Whitney U test; Pb, p-values for healthy eyes versus unaffected eyes using Mann–Whitney U test; Pc, p-values for affected eyes versus unaffected eyes using Wilcoxon test