Table 4.

The Comparison of the Irritable Bowel Syndrome Severity Score from Baseline to Endpoint Measures in Two Groups

Characteristics	Mean ± SD Placebo (n = 21)	Mean ± SD Ellagic (n = 22)	P1
Abdominal pain
Baseline	47.09 ± 9.04	45.63 ± 9.21	0.509
After 2 months	45.69 ± 6.19	30.07 ± 6.29	0.001
P2	0.412	0.017
Abdominal distention
Baseline	44.23 ± 10.05	45.61 ± 9.42	0.625
After 2 months	41.03 ± 11.12	28.54 ± 7.71	0.001
P2	0.394	0.014
Dissatisfaction with bowel habits
Baseline	39.47 ± 11.9	37.93 ± 10.32	0.401
After 2 months	37.02 ± 8.35	25.19 ± 8.4	0.001
P2	0.213	0.012
Flatulence
Baseline	42.61 ± 7.07	41.75 ± 5.91	0.42
After 2 months	41.03 ± 9.19	25.5 ± 5.72	0.001
P2	0.362	0.029
Rumbling
Baseline	41.91 ± 6.84	39.07 ± 7.12	0.325
After 2 months	40.64 ± 7.46	23.58 ± 5.04	0.001
P2	0.31	0.027
Overall
Baseline	40.062 ± 8.98	41.998 ± 8.396	0.425
After 2 months	39.082 ± 8.46	26.576 ± 6.632	0.001
P2	0.309	0.001

P1, Comparison of the mean of irritable bowel syndrome symptoms between two groups (independent samples t test); P2, Comparison of the mean of irritable bowel syndrome symptoms in each group at the baseline and end of the study (paired samples t-test).