Table 1 Patient characteristics of infants with necrotising enterocolitis or spontaneous intestinal perforation

Number of samples

13

16

–

Gestation (weeks), median (IQR)

25 (24–28)

25 (24–27)

0.888

Birth weight (g), median (IQR)

731 (610–794)

718 (688–790)

0.257

Vaginal birth

4 (31%)

4 (25%)

0.999

Male

8 (62%)

12 (75%)

0.707

Diagnosis (DOL), median (IQR)

20 (18–35)

6 (5–8)

0.066

Surgery (DOL), median (IQR)

30 (22–42)

7 (6–10)

0.079

Section

0.975

 Jejunum

1 (8%)

1 (6%)

 Ileum

11 (85%)

14 (88%)

 Colon

1 (8%)

1 (6%)

Bacteraemia prior to surgery

7 (54%)

0 (0%)

0.003

Any antibiotics prior to surgery

13 (100%)

15 (94%)

0.999

Days antibiotics prior to surgery, median (IQR)

8 (3–17)

2 (1–3)

0.257