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Table 1 Characteristics of clinical parameters, maternal data and complications in preterm and full- term infants

From: Circulating hematopoietic stem cell count is a valuable predictor of prematurity complications in preterm newborns

Parameter Preterm infants N = 90 Full-term infants N = 52 p a
  Mean ± SD (Median) or n (%) Mean ± SD (Median) or n (%)  
Gestational age at birth [wks] 33.0 ± 3.0 (34) 39.3 ± 1.2 (39) <0.0001
Body weight at birth [g] 2145 ± 628 (2175) 3530 ± 387 (3595) <0.0001
Male gender 56 (62%) 24 (46%) 0.079
Cesarean section 35 (39%) 7 (14%) 0.0012
Apgar score at 1 min 7.8 ± 2.1 (8) 9.3 ± 1.3 (10) <0.0001
IVH 19 (21%) 1 (2%) 0.0009
RDS 18 (20%) 0 (0%) 0.0002
BPD 7 (8%) 0 (0%) 0.048
ROP (stage 3 or more) 6 (7%) 0 (0%) 0.086
NEC (stage II or more) 3 (3%) 0 (0%) 0.30
Suspected infection 30 (33%) 1 (2%) <0.0001
Anemia 16 (18%) 0 (0%) 0.0006
Any complication 38 (42%) 2 (4%) <0.0001
Antenatal steroids 16 (18%) 0 (0%) 0.0006
Pre-eclampsia 4 (4%) 0 (0%) 0.30
Diabetes mellitus 0 (0%) 1 (2%) 0.37
Chorioamnionitis 6 (7%) 0 (0%) 0.086
Premature rupture of membranes 26 (29%) 8 (15%) 0.10
  1. a Mann–Whitney test for quantitative variables and Fisher’s exact test for qualitative variables.