2.10. Statistics
Intergroup differences in the microbiota at the amplicon sequence variant (ASV) level were analyzed by ALDEx2 [For the primary endpoint, subgroups were analyzed according to the following factors affecting gut microbiota: (1) mode of delivery (vaginal delivery, cesarean section); (2) whether antibiotics were administered to the mother during delivery; and (3) mode of nutrition (exclusively breastfeeding, mixed feeding, exclusively formula feeding). For height, weight, and head circumference of children, the mean ± SE was calculated for each time point, and Student’s 