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

From: Using formalin fixed paraffin embedded tissue to characterize the preterm gut microbiota in necrotising enterocolitis and spontaneous isolated perforation using marginal and diseased tissue

  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
  1. Data are no. (%) of infants unless otherwise indicated
  2. Abbreviation: DOL day of life, IQR interquartile range, NEC necrotising enterocolitis, SIP spontaneous intestinal perforation