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Table 1 Demographic information and COMT genotype

From: Lack of association between COMT gene and deficit/nondeficit schizophrenia

   Schizophrenia Subjects Healthy controls Total
Sex   Nondeficit Deficit Total patients   
Female N 28 1 29 22 51
  Age Mean (SD) 47.08 (8.94) 55 (0.0) 47.36 (8.91) 44.31 (17.59) 46.04 (13.29)
  Val-Val 16 1 17 6 23
  Val-Met 11 0 11 10 21
  Met-Met 1 0 1 6 7
Male N 37 20 57 28 85
  Age Mean (SD) 43.80 (10.14) 43.74 (11.12) 43.78 (10.40) 46.89 (17.87) 44.80 (13.30)
  Val-Val 14 10 24 3 27
  Val-Met 15 9 24 15 39
  Met-Met 8 1 9 10 19
Total N 65 21 86 50 136
  Age Mean (SD) 45.21 (9.71) 44.28 (11.12) 44.98 (10.01) 45.76 (17.62) 45.27 (13.26)
  Val-Val 30 11 41 9 50
  Val-Met 26 9 35 25 60
  Met-Met 9 1 10 16 26
  1. N = number
  2. SD = standard deviation
  3. Val = Valine variant allele
  4. Met = Methionine variant allele
  5. COMT = catechol-O-methyltransferase