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
cpd 12
1.00 ± 0.2
1.25 ± 0.32
cpd 18
0.87 ± 0.24
1.02 ± 0.18