Effect of Bifidobacterium longum 35624 on disease severity and quality of life in patients with irritable bowel syndrome

Table 2 Absolute evolution of irritable bowel syndrome quality of life and irritable bowel syndrome severity scoring system after treatment (mean ± SD)

	IBS-C, n = 71	IBS-D, n = 89	IBS-M, n = 61	IBS-U, n = 12	P values1
IBS-SSS scores absolute evolution	-89.5 ± 105.9	-107.4 ± 85.5	-91.7 ± 85.6	-66.0 ± 104.2	0.115 (NS)
IBS-QOL scores absolute evolution	8.9 ± 14.1	10.4 ± 15.8	6.6 ± 14.8	4.7 ± 10.9	0.658 (NS)

¹Intergroup comparison was assessed with a Kruskal Wallis test.

C: Constipation; D: Diarrhea; IBS: Irritable bowel syndrome; IBS-QOL: Irritable bowel syndrome quality of life; IBS-SSS: Irritable bowel syndrome severity scoring system; M: Mixed; NS: Not significant; SD: Standard deviation; U: Unclassified.