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. 2019 Mar 26;10:598. doi: 10.3389/fmicb.2019.00598

Table 2.

Characteristics of infants by delivery mode and feeding pattern (n = 94).

Mean ±SD or n (%) 1P-value Mean ±SD or n (%) 1P-value


Characteristic All (N = 94) Cesarean delivery (N = 34) Vaginal delivery (N = 60) Exclusive breast-fed (N = 67) Mixed-fed (N = 27)
Maternal age 32.6 ± 3.6 33.4 ± 3.3 32.1 ± 3.7 0.11 32.8 ± 3.7 31.8 ± 3.4 0.28
Gestational age (week ± day) 39.1 ± 1.2 38.9 ± 0.9 39.3 ± 1.4 0.03 39.1 ± 1.2 39.3 ± 1.4 0.30
Sampling time 49.4 ± 7.9 49.2 ± 6.9 49.5 ± 8.4 0.96 50.2 ± 8.3 47.3 ± 6.1 0.12
Birth weight (g) 3327.0 ± 381.7 3395.9 ± 417.4 3288.0 ± 357.6 0.14 3315.9 ± 392.2 3354.4 ± 359.2 0.51
Infant weight at 6 weeks (g) 5553.4 ± 840.7 5537.3 ± 980.5 5562.5 ± 758.9 0.65 5477.3 ± 868.1 5816.7 ± 716.9 0.05
Maternal pre-pregnancy BMI 22.7 ± 3.3 23.4 ± 2.8 22.2 ± 3.5 0.03 22.7 ± 3.4 22.7 ± 3.2 1
Gender 0.07 0.41
Male 53 (56.4) 15 (44.1) 38 (71.7) 36 (53.7) 17 (63.0)
Female 41 (43.6) 19 (55.9) 22 (36.7) 31 (46.3) 10 (37.0)
Delivery mode
Vaginally delivered 60 (63.8) 43 (64.2) 17 (63.0) 0.91
Cesarean delivered 34 (36.2) 24 (35.8) 10 (37.0)
Feeding pattern 0.91
Exclusively breastfed 67 (71.3) 24 (70.6) 43 (71.7)
Mixed-fed 27 (28.7) 10 (29.4) 17 (28.3)
Supplement of probiotics 42 (44.7) 17 (50) 25 (41.7) 0.435 34 (50.7) 8 (29.6) 0.06

1P-value determined by Student’s t-test, Mann-Whitney U-test or Fisher’s exact test.