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Table 1 Demographic data of the subjects

From: Influence of dopaminergic system gene polymorphisms on mixed amphetamine-type stimulants and opioid dependence in Malaysian Malays

  Control group (n = 87) Drug-dependent group (n = 70) p value
Mean (SD) Mean (SD)
Age (years)a 24.0 (10.55)c 28.0 (7.68)c 0.000*
Height (m)b 1.668 (0.63) 1.683 (0.63) 0.186
Weight (kg)b 70.55 (11.30) 70.04 (11.30) 0.784
Body mass index (kg/m2)b 24.66 (3.59) 25.30 (3.72) 0.281
Brachial systolic blood pressure (mm/Hg) 135.44 (17.64) 126.23 (17.63) 0.000*
Brachial diastolic blood pressure (mm/Hg) 76.45 (8.94) 75.40 (8.89) 0.465
  1. *Significant difference between control and drug dependent groups (p < 0.05)
  2. aMann-Whitney test
  3. bIndependent-sample t test
  4. cMedian (IQR)