Research Article

The Relationship between Visual-Evoked Potential and Optic Coherence Tomography and Clinical Findings in Parkinson Patients

Table 4

VEP variables and UPDRS scores of the PD group.

Patients numberValues

The duration of PD (yrs)412 (0–18)
UPDRS1414 (0–11)
UPDRS24112.5 (3–37)
UPDRS34119 (6–63)
UPDRS4412 (0–11)
UPDRS total score4139 (14–109)
Right VEP P100 latency40109.23 ± 6.92
Left VEP P100 latency41109.3 ± 8.55
Right VEP amplitude405.35 ± 2.09
Left VEP amplitude415.19 ± 2.07
Right VEP N754082.97 ± 11.48
Left VEP N754182.67 ± 10.63
Right VEP N13540141.99 ± 9.65
Left VEP N13541145.15 ± 11.94

VEP latencies are given in milliseconds (ms) and amplitudes in microvolts (μV). Variables distributed normally were expressed as mean ± standart deviation; variables distributed non-normally were expressed as median (minimum-maximum).