A randomized double-blind trial on perioperative administration of probiotics in colorectal cancer patients

Table 2 Variation of microbiota at day 0 (mean ± SD) n (%)

	Placebo (n = 10)	Low dose (n = 11)	High dose (n = 10)
Patients colonized with La1	0	3 (27.2)	6 (60)a
Patients colonized with BB536	0	0	0
Lactobacillus count in stools, Log10	3.1 ± 1.1	4.2 ± 0.4	5.3 ± 0.9b
Enterobacteriaceae count in stools, Log10	4.5 ± 0.2	4.6 ± 0.6	2.4 ± 0.3c
Enterococci count in stools, Log10	4.3 ± 0.5	4.1 ± 0.4	3.4 ± 0.7
Rate of enterobacteriaceae adherence to colonic mucosa	7 (70)	9 (81.8)	3 (30)d
Rate of enterococci adherence to colonic mucosa	6 (60)	5 (45.5)	3 (30)

^aP = 0.02 vs placebo;

^bP = 0.04 vs placebo;

^cP = 0.07 vs placebo;

^dP = 0.03 vs low dose.