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Table 1 Demographic and clinical characteristics of the study population

From: Pathogens distribution and antimicrobial resistance in bloodstream infections in twenty-five neonatal intensive care units in China, 2017–2019

  All patients
(n = 1088 infants)
EOS
(n = 349 infants)
HALOS
(n = 698 infants)
CALOS
(n = 41 infants)
Birth weight (grams), n (%)
 < 1500 352 (32.4) 65 (18.6) 287 (41.1) 0
 1501–2500 230 (21.1) 81 (23.2) 148 (21.2) 1 (2.4)
 ≥ 2500 506 (46.5) 203 (58.2) 263 (37.7) 40 (97.6)
Gestational age (weeks), n (%)
 < 28 104 (9.6) 23 (6.6) 81 (11.6) 0
 28–34 386 (35.5) 87 (24.9) 299 (42.8) 0
 34–37 130 (11.9) 61 (17.5) 65 (9.3) 4 (9.8)
 ≥ 37 468 (43) 178 (51) 253 (36.2) 37 (90.2)
Male sex, n (%) 624 (57.4) 184 (52.7) 441 (63.2) 29 (70.7)
Age during blood sampling (days) (median, IQR) 10 (2–22) 1 (0–2) 17 (10–27) 13 (9–23)
Length of hospital stay (days) (median, IQR) 36 (15–56) 17 (10–36) 39 (19–63) 16 (11–24)
All-cause mortality (%) 57 (5.3) 26 (7.4) 31 (4.4) 0
  1. IQR interquartile range