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Table 2 The demographic and clinical characteristics of ICB in PD patients

From: DRD and GRIN2B polymorphisms and their association with the development of impulse control behaviour among Malaysian Parkinson’s disease patients

Variables Control (n = 39) Case (n = 52)
Age   
  Mean ± SE 63.46 ± 1.344 62.42 ± 1.087
  Median 63.00 63.00
  Range 42 - 85 42 - 77
Duration of PD   
  Mean ± SE 5.77 ± 0.745 8.17 ± 0.725
  Median 4.00 8.00
  Range 1.0 - 20.0 0.0 - 23.0
Gender, n (%)   
  Male 27 (69) 38 (73)
  Female 12 (31) 14 (27)
Ethnicity, n (%)   
  Malay 13 (33) 8 (15)
  Chinese 25 (64) 34 (66)
  Indian 1 (3) 8 (15)
  Others 0 (0) 2 (4)
Drug Medication, n (%)   
  No Medication 4 (10) 2 (4)
  Levadopa only 15 (39) 15 (29)
  Dopamine agonist only 6 (15) 7 (13)
  Levadopa + Dopamine agonist 14 (36) 28 (54)
Dosage of Levadopa   
  Mean ± SE 172.79 ± 26.89 345.98 ± 41.53
  Median 150.00 150.00
  Range 0.00 - 675.00 0.00 - 675.00
Dosage of DA   
  Mean ± SE 1.05 ± 0.19 82.79 ± 12.16
  Median 1.00 80.00
  Range 0.00 - 5.00 0.00 - 360.00
Diagnosis, n (%)   
  One repetitive behaviour 0 (0) 30 (57)
  >1 repetitive behaviour 1 (3) 15 (29)
  Compulsive medication 1 (3) 2 (4)
  >1 repetitive behaviour + Compulsive medication 0 (0) 5 (10)
  No repetitive behaviour + Compulsive medication 37 (94) 0 (0)