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Table 1 Baseline characteristics of the study subjectsa

From: Effect of flaxseed oil supplementation on the erythrocyte membrane fatty acid composition and endocannabinoid system modulation in patients with coronary artery disease: a double-blind randomized controlled trial

VariableFlaxseed oil (n = 21)Placebo (n = 19)P valuec
Age (years)55.67 (6.9)54.80 (7.8)0.708
Sexd(%)
 Male19 (90.5)17 (89.5)0.916
 Female2 (9.5)2 (10.5)
Weight (kg)86.02 (10.70)85.66 (10.19)0.915
Body mass index (kg/m2)30.36 (3.04)30.70 (3.90)0.766
Waist circumference (cm)104.42 (7.68)107.29 (8.63)0.305
Neck circumference (cm)41.08 (2.53)41.71 (3.88)0.576
CAD duration (years)2.6 (1.1)2.8 (1.7)0.618
Medication (%)
 Statin21 (100)19 (100)1.000d
 Aspirin21 (100)19 (100)1.000d
 Anti-hypertensive drugs18 (85.7)15 (78.9)0.689d
SBP (mmHg)116.62 (12.13)112.50 (15.09)0.352
DBP (mmHg)75.72 (8.51)79.59 (10.14)0.216
Smoking (%)
 Yes1 (4.8)3 (15.8)0.331d
 No20 (95.2)16 (84.2)
Physical activity (METs)b539.74 (45, 2628)537.95 (99, 1920)0.991
  1. CAD coronary artery diseases, SBP systolic blood pressure, DBP diastolic blood pressure, METs metabolic equivalents
  2. aValues are expressed as mean (SD)
  3. bValues are expressed as geometric mean (minimum, maximum) and p-value are estimated after log-transformation
  4. cIndependent samples t-test
  5. dValues are expressed as frequency (%) and P value based on chi-square test