Effectiveness of an amino acid beverage formulation in diarrhea-predominant irritable bowel syndrome: A pragmatic real-world study

Table 1 Baseline socio-demographic details

Characteristic	n = 1001
Sex
Female	67 (67%)
Male	33 (33%)
Age (mean, SD)	39.7 (10.6)
Ethnicity
American Indian/Alaska Native	8 (8%)
Asian	2 (2%)
Black	9 (9%)
Native Hawaiian or other Pacific islander	1 (1%)
White	80 (80%)
Hispanic
Hispanic/Latino	10 (10%)
Non-Hispanic	90 (90%)
IBS-D features
Met Rome IV Criteria	100 (100%)
Number of patients with > 4 d experiencing type 4/5 stools	100 (100%)
Average BSFS	6 (0.1)
Average pain-NRS	6 (0.2)
IBS-SSS2	314 (77)
FBDSI	195 (52.6)

¹n (%) or mean (SD).

²n = 71 (only 71 pairs of the irritable bowel syndrome severity scoring system were completed by participants).

IBS-SSS: Irritable bowel syndrome severity scoring system; BSFS: Bristol Stool Form Scale; NRS: Numeric rating scale; FBDSI: Functional Bowel Disorder Severity Index; IBS-D: Diarrhea predominant irritable bowel syndrome.