Table 4.

Proportions and median abundance of microbial genus among STS and non-STS infants at corrected gestational age of sampling

Taxa with highest abundance	Corrected gestational age ≤ 32								Corrected gestational age > 32
	Non-STS (n = 10)			STS (n = 10)			Difference		Non-STS (n = 10)			STS (n = 12)			Difference
	Count	Count (%)	Median	Count	Count (%)	Median	Count (%)	Median	Count	Count (%)	Median	Count	Count (%)	Median	Count (%)	Median
Streptococcus	9	90	4.12	9	90	71.97	0	67.85	9	90	71.04	12	100	74.77	10	3.72
Pseudomonas	5	50	60.87	2	20	0.03	30	60.84	1	10	0.76	2	17	0.20	7	0.56
Rothia	1	10	2.23	2	20	18	10	15.77	6	60	0.81	6	50	0.62	10	0.19
Gemella	3	30	8.70	3	30	0.18	0	8.52	6	60	1.01	8	67	5.37	7	4.34
Corynebacterium	9	90	0.13	5	50	0.02	40	0.11	4	40	1.02	4	33	0.02	7	1
Enterobacter	5	50	0.16	4	40	2.94	10	2.78	2	20	0.16	4	33	0.05	13	0.105
Neisseria	5	50	2.65	2	20	0.02	30	2.63	5	50	4.32	2	17	0.03	33	4.29
Acinetobacter	5	50	2.18	3	30	0.02	20	2.16	4	40	0.06	0	0	0	40	0.06
Klebsiella	0	0	0	6	60	1.63	60	1.63	1	10	0.12	3	25	0.05	15	0.07
Staphylococcus	9	90	1.33	9	90	1.04	0	0.29	8	80	0.20	9	75	0.15	5	0.05
Propionibacterium	3	30	0.02	1	10	0.55	20	0.53	0	0	0	0	0	0	0	0
Enterococcus	3	30	0.46	5	50	0.13	20	0.33	3	30	0.15	2	17	0.92	13	0.77
Prevotella	2	20	0.03	0	0	0	20	0.03	2	20	2.77	2	17	0.28	3	2.49
Ureaplasma	0	0	0	2	20	0.03	20	0.03	0	0	0	0	0	0	0	0
Cedecea	3	30	0.07	2	20	0.21	10	0.14	0	0	0	2	17	0.11	17	0.11
Veillonella	1	10	0.01	0	0	0	10	0.01	5	50	0.40	7	58	1.75	8	1.35
Serratia	2	20	0.08	2	20	0.08	0	0.01	0	0	0	3	25	0.01	25	0.01
Haemophilus	2	20	0.01	2	20	0.01	0	0	4	40	1.03	4	33	0.04	7	0.99
Actinomyces	1	10	0.08	0	0	0	10	0.08	3	30	0.49	2	17	0.02	13	0.47
Stenotrophomonas	4	40	3.35	2	20	0.05	20	3.31	2	20	0.03	0	0	0	20	0.03
Brevundimonas	2	20	0.02	0	0	0	20	0.02	1	10	0.01	0	0	0	10	0.01

Abbreviation: STS, skin to skin.