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Table 1 Demographic data of the study subjects

From: Optical coherence tomography and cognitive dysfunction in Parkinson disease

 Patients (N = 20)Control (N = 20)P
Age, yearsa63.2±5.50
(52-73)
62.4±6.96
(51-73)
0.69
Male sexb10(50%)11(45%)0.8
Diabetesb
 Yes7(35%)9(45%)0.5
 No13(65%)11(55%) 
HTNb  0.5
 Yes9(45%)7(35%) 
 No11(55%)13(65%) 
Duration of illness, yearsa6.53±3.07  
Severity of disease by (Hoehn and Yahr scale)a2.9 ± 0.90----------- 
 1–2.5b9 (45 %)  
 3–5b11 (55 %)  
Cognitive functions by (MoCA scale)a23.5 ± 3.4328.7 ± 1.27<0.001*
 > 26b6(30%)20 (100%)<0.001*
 ≤ 26b14(70%)0 
  1. HTN hypertension, MoCA Montreal Cognitive Assessment
  2. *significant difference, p< 0.05
  3. aMean (±SD)
  4. bNumber (%)