From: Probiotic supplementation restores normal microbiota composition and function in antibiotic-treated and in caesarean-born infants
Control breastfed
Control formula-fed
Supplement breastfed
Supplement formula-fed
Total N
201
22
168
31
422
Caesarean
39 (19%)
5 (23%)
28 (16%)
7 (23%)
79 (19%)
Antibiotics
27 (13%)
3 (14%)
15 (9%)
2 (7%)
47 (11%)