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Table 4 Contrast sensitivity test in PD patients and healthy controls

From: Choroid and choriocapillaris changes in early-stage Parkinson’s disease: a swept-source optical coherence tomography angiography-based cross-sectional study

 

PD patients

Controls

P

cpd 3

1.39 ± 0.23

1.56 ± 0.22

< 0.001

cpd 6

1.54 ± 0.26

1.71 ± 0.21

< 0.001

cpd 12

1.00 ± 0.2

1.25 ± 0.32

< 0.001

cpd 18

0.87 ± 0.24

1.02 ± 0.18

< 0.001

  1. cpd cycles per degree