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Table 2 Energy and macronutrients intake in the intervention and control groups before and after the intervention

From: The effects of flaxseed supplementation on metabolic status in women with polycystic ovary syndrome: a randomized open-labeled controlled clinical trial

VariableFlaxseed group (n = 21)Control group (n = 20)P1-value
Energy (kcal)
 Before1935.27 ± 488.71679.99 ± 3160.093
 After1868.52 ± 462.861700.22 ± 313.410.168
 P2-value0.0970.582 
Carbohydrate (g)
 Before272.37 ± 68.83234.89 ± 59.270.131
 After249.29 ± 70.95242.60 ± 49.030.720
 P2-value0.0060.274 
Protein (g)
 Before84.39 ± 75.9372.99 ± 22.860.179
 After60.93 ± 14.9662.09 ± 14.690.073
 P2-value0.1790.705 
Fat (g)
 Before62.72 ± 18.5754.46 ± 11.940.097
 After63.27 ± 19.6856.65 ± 13.830.208
 P2-value0.8650.378 
PUFA (g)
 Before16.33 ± 6.0314.73 ± 3.910.338
 After16.46 ± 5.3215.19 ± 2.910.343
 P2-value0.8490.471 
MUFA (g)
 Before23.24 ± 6.5719.84 ± 4.70.054
 After23.88 ± 6.6220.53 ± 5.930.088
 P2-value0.6200.552 
SFA (g)
 Before17.7 ± 9.1515.48 ± 5.60.397
 After16.89 ± 7.5816.14 ± 6.380.725
 P2-value0.5910.499 
  1. SFA, saturated fatty acid; PUFA, polyunsaturated fatty acid; MUFA, monounsaturated fatty acids. The data have been expressed as mean ± SD. P1: between-group comparison of the variables; independent sample t-test (for energy and dietary protein, fat, PUFA, MUFA, and SFA) and Mann–Whitney U test (for dietary carbohydrate). P2: within-group comparison of the variables; paired sample t-test (for energy and dietary protein, fat, PUFA, MUFA, and SFA intake) and Wilcoxon signed-rank test (for dietary carbohydrate)