Table 12.

6-Item Gastrointestinal Symptom Index (6-GSI).

	Treatment Group (n = 22)					Non-Treatment Group (n = 20)					t-Test
	Initial	S.D.	Final	S.D.	% Change	Initial	S.D.	Final	S.D.	% Change
Constipation	0.6	0.8	0.4	0.5	−43%	1.1	0.8	1.0	0.7	−14%	n.s.
Diarrhea	0.3	0.6	0.1	0.3	−67%	0.1	0.2	0.0	0.0	−100%	n.s.
Average Stool Consistency	0.4	0.5	0.3	0.5	−13%	0.3	0.5	0.2	0.4	−50%	n.s.
Stool Smell	0.7	0.8	0.4	0.6	−44%	0.8	0.9	0.9	1.0	+20%	0.020
Flatulence	1.0	0.8	0.9	0.8	−13%	1.1	0.8	1.0	0.9	−10%	n.s.
Abdominal Pain	0.3	0.6	0.3	0.6	−14%	0.4	0.5	0.4	0.6	−13%	n.s.
Total Severity Score	3.4	1.8	2.4	1.8	−30%	3.7	1.8	3.3	2.2	−10%	0.050

Since only a subset of participants had GI problems, we only included them in this analysis if they had non-zero Total Severity Scores at the start of the study. t-test values were considered not significant (n.s.) if they were above a p-value of 0.1.