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Table 3 Comparison of dietary intake between the groups at the baseline and following interventiona

From: The effects of canola and olive oils consumption compared to sunflower oil, on lipid profile and hepatic steatosis in women with polycystic ovarian syndrome: a randomized controlled trial

Variable sunflower oil group(n = 24) canola oil group(n = 24) olive oil group(n = 24) P-value**
before after Change P-value* before after change P-value* before after change P-value*
Energy (kcal) 2056.62 (390.05) 1883.73 (278.78) − 172.89 .013 2184.57 (276.26) 1947.40 (357.62) − 237.17 .001 2076.89 (352.01) 1951.6 (325.45) − 125.24 .000 0.947
Carbohydrate (g) 323.44 (78.88) 262.73 (60.07) −60.71 .003 297.70 (58.49) 238.49 (81.75) −59.21 .001 312.85 (62.54) 287.81 (54.40) −25.04 .035 0.077
Protein (g) 75.83 (19.99) 79.33 (25.16) 3.50 .528 77.84 (26.95) 83.12 (18.54) 5.28 .264 73.32 (12.66) 81.86 (15.07) 8.54 .010 0.771
Fat (g) 55.35 (22.18) 66.82 (25.43) 11.46 .086 62.96 (19.42) 82.63 (24.00) 19.67 .002 60.08 (16.89) 73.51 (26.65) 13.42 .006 0.318
SFA (g) 18.36 3.67)) 17.83 (5.34) −0.53 .643 20.53 (5.45) 16.49 (5.02) −4.03 .014 16.55 (4.57) 18.88 (6.02) 2.32 .018 0.275
PUFA (g) 18.36 7.31)) 18.46 (7.43) 0.10 .875 22.26 (5.07) 19.59 (5.56) −2.67 .003 20.87 (6.93) 18.94 (5.90) −1.92 .023 0.089
MUFA(g) 13.47 4.87)) 13.19 (4.41) −0.27 .644 13.74 (4.26) 18.91 (3.39) 5.17 .000 14.71 (3.21) 18.004 (2.86) 3.28 .000 < 0.001
LA(g) 16.40 9.59)) 16.03 (8.24) −0.37 .854 21.85 (7.72) 17.58 (7.11) −4.26 .016 19.04 (11.59) 15.87 (7.05) −3.17 .145 0.816
ALA (g) .130 .09)0) 0.13 (0.08) 0.002 .932 0.14 (0.08) 0.27 (0.07) 0.13 .000 0.14 (0.07) 0.14 (0.13) 0.005 .851 0.000
Dietary fiber(g) 18.48 6.76)) 18.57 (5.81) 0.10 .928 16.90 (6.08) 17.52 (5.53) 0.61 .431 18.92 (4.98) 19.75 (7.05) 0.82 .549 0.812
  1. aALA Alpha-linolenic acid, LA Linoleic acid, SFA saturated fatty acid, PUFA Polyunsaturated fatty acid, MUFA Monounsaturated fatty acid
  2. *P-values are resulted from paired samples t-test. **P-values are resulted from ANCOVA, adjusted for baseline