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Table 5 Stool bacterial counts (CFU/g) at 2 months

From: Normal growth of infants receiving an infant formula containing Lactobacillus reuteri, galacto-oligosaccharides, and fructo-oligosaccharide: a randomized controlled trial

  L. reuteri (control) L. reuteri+ GOS/FOS (experimental) Comparison of bacterial counts between groups*
  N (% BDL) Median (IQR) N (% BDL) Median (IQR)  
Total bacterial count 32 (0) 2.4 × 1010 (1.7 × 1010) 29 (0) 3.7 × 1010 (3.2 × 1010) 0.01
Lactobacillus reuteri 32 (0) 9.5 × 106 (1.5 × 107) 29 (3.45) 1.5 × 107 (4.3 × 107) 0.118
Bifidobacteria 32 (0) 9.4 × 109 (1.3 × 1010) 28 (3.45) 3.1 × 1010 (2.4 × 1010) 0.00
Lactobacilli and Enterobacteria 28 (12.5) 5.2 × 107 (8.5 × 107) 26 (10.34) 1.0 × 108 (1.9 × 108) 0.07
Enterobacteria 32(0) 5.1 × 108 (6.5 × 108) 29 (0) 7.6 × 108 (8.4 × 108) 0.132
Clostridia 21 (34.38) 4.8 × 108 (9.3 × 108) 14 (51.72) 2.6 × 108 (1.7 × 109) 0.752
  1. *Two-sided t-test; Number of samples analyzed and proportion below detection limit (BDL); CFU, Colony forming unit; IQR, Interquartile range.