Table 2.

The Comparison of the Dietary Intake at the Baseline and the End of the Study in Patients With IBS

Variables	Mean ± SD Placebo (n = 21)	Mean ± SD Ellagic Acid (n = 22)	P1
Energy (kcal)
Baseline	1908.27 ± 380.67	1961.31 ± 367.27	0.307
End	1890.49 ± 401.19	1973.20 ± 360.09	0.299
P2	0.503	0.499
Protein (g)
Baseline	74.34 ± 17.14	76.41 ± 19.02	0.314
End	73.63 ± 16.97	76.88 ± 21.1	0.3
P2	0.407	0.48
Carbohydrate (g)
Baseline	248.83 ± 41.93	254.67 ± 42.97	0.54
End	245.52 ± 41.53	256.21 ± 43.1	0.492
P2	0.607	0.643
Fat (gr)
Baseline	71.47 ± 16.22	72.14 ± 20.48	0.716
End	68.55 ± 37.01	71.31 ± 24.11	0.695
P2	0.291	0.382
Saturated fatty acids (g)
Baseline	19.27 ± 5	19.45 ± 5.72	0.705
End	18.17 ± 6.4	20.08 ± 3.23	0.612
P2	0.415	0.541
Monounsaturated Fatty acid (g)
Baseline	27.19 ± 7.09	28.02 ± 6.08	0.749
End	26.11 ± 5.03	28.91 ± 6.11	0.546
P2	0.617	0.719
Polyunsaturated Fatty acid (gr)
Baseline	22.09 ± 8.13	22.85 ± 7.29	0.78
End	21.19 ± 6.12	21.01 ± 4.18	0.803
P2	0.307	0.243
Fiber (g)
Baseline	6.39 ± 0.91	6.48 ± 1.04	0.407
End	6.03 ± 2.24	6.71 ± 2.17	0.354
P2	0.207	0.21
Vitamin C (mg)
Baseline	68.09 ± 17.09	69.47 ± 13.27	0.704
End	66.28 ± 47.11	68.27 ± 9.67	0.501
P2	0.57	0.609
Vitamin E (IU)
Baseline	6.39 ± 0.11	6.79 ± 0.27	0.405
End	5.83 ± 0.91	6.8 ± 0.4	0.102
P2	0.311	0.821
Selenium
Baseline	119.47 ± 29.12	120.08 ± 21.14	0.457
End	118.6 ± 27.13	119.13 ± 23.04	0.263
P2	0.302	0.451

Data are expressed as means ± SD.

P1, Comparison of the mean of dietary intake between the two groups of ellagic acid and placebo (independent samples t-test); P2, Comparison of mean of baseline characteristics in each group at baseline and end of study (Paired samples t-test)