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Table 4 Comparison of all collected data between deceased and surviving septic neonates (univariate analysis)

From: Risk factors and prognosis for neonatal sepsis in southeastern Mexico: analysis of a four-year historic cohort follow-up

Variable Deceased Surviving P
  N = 49 (%) N = 465 (%)  
Neonate-related
Gender (feminine/masculine) 21/28 212/253 0.41
Gestational age (wk)* 31.3 ± 5.2 34.0 ± 4.1 <0.0001
Birth weight (g)* 1486 ± 867 2130 ± 852 <0.0001
Height (cm)* 38.2 ± 6.2 44.0 ± 5.6 <0.0001
Premature (≤37 wks) 38 (77.5) 153 (32.2) 0.08
Postmature (≥42 wks) 1 (2.0) 4 (0.9) 0.39
Product of multiple pregnancy 7 (14.3) 34 (7.3) 0.08
Abnormal umbilical cord 14 (28.6) 117 (25.2) 0.35
With perinatal asphyxia 9 (18.4) 8 (1.7) <0.0001
With intrauterine hypoxia 3 (6.1) 7 (1.5) 0.06
Apgar score ≤5 42 (85.7) 232 (49.9) <0.0001
With fetal distress 13 (26.5) 73 (15.7) 0.04
Maternal-related
Age (yrs)* 27.0 ± 5.8 26.3 ± 5.5 0.42
Low educative level 26 (53.1) 258 (55.5) 0.43
Gestations* 2.3 ± 1.3 1.9 ± 1.2 0.06
Abortions* 0.4 ± 0.7 0.2 ± 0.5 0.01
Non-adequate pregnancy control 30 (61.2) 228 (49.0) 0.07
With threat of abortion during this pregnancy 19 (38.8) 120 (25.8) 0.04
Abnormal placenta 15 (30.6) 71 (15.3) 0.008
Abnormal amniotic fluid 20 (40.8) 139 (29.9) 0.08
Dystocic delivery 16 (32.7) 135 (29.0) 0.35
Cesarean section 32 (65.3) 327 (70.3) 0.28
Premature membrane rupture >12 h 10 (20.4) 158 (34.0) 0.03
Premature membrane rupture >48 h 7 (14.3) 130 (28.0) 0.02
Premature membrane rupture >24 h 5 (10.2) 80 (17.2) 0.14
Amnionitis 0 4 (0.9) 0.66
Preeclampsia ≤35 gestational wks 3 (6.1) 25 (5.4) 0.51
Preeclampsia >35 gestational wks 2 (4.1) 24 (5.2) 0.54
Metabolic disease ≤35 gestational wks 4 (8.2) 23 (4.9) 0.25
Metabolic disease >35 gestational wks 1 (2.0) 25 (5.4) 0.26
Infectious disease ≤35 gestational wks 17 (34.7) 147 (31.6) 0.38
Infectious disease >35 gestational wks 7 (14.3) 72 (15.5) 0.51
Clinical course- and medical care-related
Reanimation required 45 (91.8) 294 (63.2) <0.0001
Mechanical ventilation required 37 (75.5) 123 (26.5) <0.0001
O2 inspiration fraction >60% required 23 (46.9) 72 (15.5) <0.0001
Continuous positive airway pressure required 6 (12.2) 18 (3.9) 0.02
Surfactant administration 16 (32.7) 33 (7.1) <0.0001
Respiratory complication 1 (2.0) 34 (7.3) 0.13
Intraventricular bleeding 9 (18.4) 11 (2.4) <0.0001
Surgical procedure required 4 (8.2) 19 (2.2) 0.03
Invasive medical procedure required 48 (97.8) 245 (52.5) <0.0001
  1. *Mean ± Standard deviation (SD).