Table 4 Demographics and choroidal metrics for patients with central serous chorioretinopathy or pachychoroid pigment epitheliopathy and healthy subjects in the testing dataset.

From: Differentiating a pachychoroid and healthy choroid using an unsupervised machine learning approach

Variable

Healthy

CSC or PPE

P-value

Age: mean ± SD (range) years

45.24 ± 10.11 (30.00–60.00)

44.34 ± 9.70 (28.00–65.00)

0.732*

Sex (%male)

79.3%

86.2%

0.487†

Maximum choroidal thickness: mean ± SD (range) µm

319.86 ± 79.09 (177.00–549.00)

477.79 ± 86.63 (334.00–666.00)

 < 0.001*

Haller ratio

0.70 ± 0.06 (0.48–0.79)

0.86 ± 0.03(0.79–0.94)

 < 0.001*

  1. CSC central serous chorioretinopathy, PPE pachychoroid pigment epitheliopathy, SD standard deviation.
  2. *Student t test.
  3. †Chi-square test.
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