Prebiotic UG1601 mitigates constipation-related events in association with gut microbiota: A randomized placebo-controlled intervention study

Table 3 Changes in the abdominal and fecal symptoms of 40 mildly constipated subjects after 4 wk of intervention, based on self-reporting

Symptoms	Placebo (n = 20)	Prebiotics (n = 20)	P value
Stool consistency, n (%)
Improved	5 (25)	7 (35)	0.185
Unchanged	12 (60)	13 (65)
Worsened	3 (15)	-
Incomplete evacuation, n (%)
Improved	9 (45)	8 (40)	0.538
Unchanged	10 (50)	12 (60)
Worsened	1 (5)	-
Time required for evacuation, n (%)
Shorten	3 (15)	7 (35)	0.137
Same	17 (85)	13 (65)
Flatulence, n (%)
Yes	5 (25)	4 (20)	0.500
No	15 (75)	16 (80)

P value was calculated using Chi-square test.