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Table 1 Patient characteristics of infants with necrotising enterocolitis or spontaneous intestinal perforation
| NEC | SIP | P value | |
|---|---|---|---|
| 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 |
