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Table 1 Baseline characteristics of all extremely preterm infants born in GNN centres

From: Sepsis related mortality of extremely low gestational age newborns after the introduction of colonization screening for multi-drug resistant organisms

Year of discharge 2011–2013
n = 3.920
2014–2018
n = 8.903
p
Gestational age [weeks, mean ± SD] 26.5 ± 1.6 26.5 ± 1.7 0.62*
Birth weight [grams, mean ± SD] 850 ± 253 852 ± 256 0.61*
Male gender (%, 95 CI) 53.8 (52.2–55.4) 53.5 (52.5–54.5) 0.58
Multiple birth (%, 95 CI) 29.1 (27.7–30.5) 31.9 (30.9–32.9) 0.002
Small for gestational age(%, 95 CI) 14 (13.0–15.1) 13.5 (12.8–14.2) 0.8
  1. p-values were derived from * t-test or Fisher’s exact test