Table 1 Clinical Characteristics.

From: Disrupted Maturation of the Microbiota and Metabolome among Extremely Preterm Infants with Postnatal Growth Failure

 

All Infants

Infants without Sepsis, Necrotizing Enterocolitis, or Intestinal Perforation

Appropriate Growth (n = 22)

Growth Failure

(n = 36)

Appropriate Growth (n = 20)

Growth Failure (n = 21)

Gestational age (wks), med (IQR)

27 (26, 27)

25 (24, 26)*

27 (26, 27)

26 (25, 27)*

Birth weight (g), med (IQR)

873

(816, 1063)

753

(640, 845)*

925

(820, 1073)

755

(640, 860)*

Race, n (%)

    Asian

3 (14)

3 (8)

3 (15)

1 (5)

    Black or African American

13 (59)

16 (44)

11 (55)

10 (48)

    White

5 (23)

17 (47)

5 (25)

10 (48)

    Unknown or not reported

1 (5)

0 (0)

1 (5)

0 (0)

Female sex, n (%)

12 (55)

18 (50)

10 (50)

10 (48)

Multiple gestation, n (%)

8 (36)

9 (25)

8 (40)

5 (24)

Antenatal steroids, n (%)

22 (100)

34 (94)

20 (100)

20 (95)

Antenatal antibiotics, n (%)

16 (73)

24 (67)

15 (75)

12 (57)

C-section delivery, n (%)

17 (77)

27 (75)

15 (75)

15 (71)

Growth outcomes

Weight percentile, med (IQR)

10 (6, 14)

<1 (<1, 1)*

10 (7, 16)

<1 (<1, 1)*

Length percentile, med (IQR)

7 (2, 11)

<1 (<1, <1)*

7 (3, 11)

<1 (<1, <1)*

Head circumference, med (IQR)

25 (9, 41)

2 (<1, 6)*

26 (15, 44)

2 (<1, 6)*

Morbidities and Therapies

Late-onset sepsis, n (%)

1 (5)

6 (17)

0 (0)

0 (0)

Spontaneous intestinal perforation, n (%)

0 (0)

6 (17)

0 (0)

0 (0)

Medical necrotizing enterocolitis, n (%)

1 (5)

3 (8)

0 (0)

0 (0)

Surgical necrotizing enterocolitis, n (%)

0 (0)

4 (11)

0 (0)

0 (0)

Severe intraventricular hemorrhage, n (%)

2 (9)

3 (8)

2 (10)

1 (5)

Severe retinopathy of prematurity, n (%)

2 (9)

13 (36)*

2 (10)

7 (33)

Ligation of patent ductus arteriosus, n (%)

2 (9)

9 (25)

2 (10)

4 (19)

First day enteral feeds, med (IQR)

4 (3, 5)

5 (4, 9)

4 (3, 5)

5 (3, 10)

Day of first full feeds sample collection, med (IQR)

28 (20, 38)

42 (30, 55)*

26 (19, 38)

35 (25, 42)

Initial days antibiotics, med (IQR)

2 (2, 7)

2 (2, 6)

2 (2, 7)

2 (2, 6)

Total days antibiotics, med (IQR)

15 (8, 20)

20 (12, 37)

12 (8, 19)

14 (11, 25)

Initial days mechanical ventilation, med (IQR)

3 (1, 6)

9 (2, 19)*

3 (1, 5)

11 (2, 18)*

Total days mechanical ventilation, med (IQR)

4 (2, 12)

19 (8, 27)*

3 (2, 11)

16 (4, 22)*

  1. Continuous variables compared by Wilcoxon rank-sum test and categorical variables by Fisher’s exact test. *p < 0.05.