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Table 2 Change in energy and macronutrient intake according to the intervention group after 12 weeks of nutritional intervention

From: PPARG2 Pro12Ala polymorphism influences body composition changes in severely obese patients consuming extra virgin olive oil: a randomized clinical trial

  OO DieTBra DieTBra+OO
Baseline
N = 50
Final follow-up
N = 43
P* Baseline
N = 49
Final follow-up
N = 43
P* Baseline
N = 50
Final follow-up
N = 47
P*
Total energy intake (kcal/day) 1594.3 ± 580.5 1708.7 ± 545.8 0.147 1661.2 ± 603.8 1219.9 ± 387.4 < 0.001 1814.0 ± 904.7 1395.6 ± 403.6 < 0.001
114.39 ± 561.06a,b    − 441.2 ± 573.8a    − 418.4 ± 778.2b   
Carbohydrates (% total energy) 50.2 ± 9.5 46.7 ± 8.0* 0.044 52.6 ± 9.4 51.7 ± 8.9 0.708 51.3 ± 7.7 45.4 ± 6.7* < 0.001
− 3.52 ± 11.36    − 0.9 ± 11.0    −5.9 ± 10.4   
Protein (% total energy) 16.9 ± 4.3 15.7 ± 4.1 0.143 17.2 ± 4.8 18.3 ± 4.9 0.209 18.3 ± 5.1 16.8 ± 5.8 0.200
− 1.16 ± 4.56    1.1 ± 6.4    − 1.5 ± 6.8   
Fat (% total energy) 26.7 ± 6.1 34.5 ± 7.6 < 0.001 28.7 ± 7.2 25.3 ± 6.3 0.009 28.3 ± 6.7 35.0 ± 8.5* < 0.001
7.79 ± 9.74a    −3.4 ± 7.6a,b    6.7 ± 11.6b   
MUFA (% total fat) 7.96 ± 2.98 15.00 ± 7.01 < 0.001 7.75 ± 2.84 6.61 ± 3.13 0.072 7.60 ± 1.97 16.30 ± 6.75 < 0.001
7.04 ± 7.53a    − 1.14 ± 3.52a,b    8.70 ± 6.98b   
PUFA (% total fat) 15.52 ± 5.34 12.92 ± 3.21 0.016 14.54 ± 4.91 14.11 ± 5.68 0.562 15.13 ± 4.46 12.55 ± 3.62 0.009
− 2.60 ± 6.39    − 0.43 ± 6.84    − 2.58 ± 6.20   
SAF (% total fat) 28.59 ± 8.07 24.27 ± 5.07 0.002 31.63 ± 7.75 29.67 ± 7.96 0.346 28.23 ± 6.01 23.44 ± 5.85 < 0.001
− 4.22 ± 8.80    − 1.96 ± 9.84    − 4.80 ± 7.28   
P:S ratio 0.62 ± 0.35 0.55 ± 0.18 0.340 0.51 ± 0.26 0.50 ± 0.22 0.971 0.57 ± 0.23 0.57 ± 0.21 0.949
−0.07 ± 0.38    − 0.01 ± 0.31    0.001 ± 0.31   
  1. Data are shown as absolute means ± SD or N (%). OO olive oil group, DieTBra traditional Brazilian diet group, DieTBra + OO traditional Brazilian diet plus olive oil group, MUFA monounsaturated fatty acids, PUFA polyunsaturated fatty acids, SAF saturated fatty acids, P:S ratio PUFA:SAF ratio, ∆: 12th week measurement – baseline measurement
  2. *Wilcoxon signed rank test
  3. Equal letters mean significant difference between groups (p < 0.05) compared by Kruskal-Wallis test followed by Bonferroni correction post-hoc test