. Author manuscript; available in PMC: 2016 Sep 1.

Published in final edited form as: Am J Gastroenterol. 2015 Aug 25;110(9):1339–1346. doi: 10.1038/ajg.2015.220

Table 6.

Spearman correlation coefficient in correlation analyses between variables

	Total Colon pH	Total SCFAs	CTT	Stool consistency	Stool frequency	Abdominal pain	Bloating	IBS-SSS	IBS-QOL
Total Colon pH	1.00	−0.23	0.33^b	−0.30	−0.10	0.29	0.29	0.49^b	−0.35
Total SCFAs	−0.23	1.00	−0.44^a	−0.01	0.45^a	−0.14	0.01	−0.33	0.12
CTT	0.33^b	−0.44^a	1.00	−0.64	−0.40	0.41	0.30	0.39	−0.28

SCFA, short chain fatty acid; CTT, colon transit time; IBS, irritable bowel syndrome; IBS-SSS, IBS-symptom severity scale score; IBS-QOL, IBS-quality of life

P < 0.01;

P < 0.05