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Table 1 Demographic and clinical characteristics of infants in the selective and routine gastric residual groups. Mean (± SD), median (range), or rate (%)

From: Effect of selective gastric residual monitoring on enteral intake in preterm infants

  Selective Gastric Residual Group (n = 49) Routine Gastric Residual Group (n = 59) P
Gestational age (wks) 27.8 ± 2.2 28.1 ± 2.5 0.537
Birth weight (g)
< 10° percentile
1084 ± 347
5 (11)
1100 ± 427
9 (15)
0.843
0.572
Antenatal steroids 44 (94) 50 (85) 0.219
Vaginal delivery 22 (47) 35 (59) 0.241
Apgar Score at 5 min 8 (3–9) 8 (6–9) 1.000
Noninvasive ventilation 42 (89)
21.6 ± 18.5
50 (85)
22.0 ± 18.1
0.572
0.911
Mechanical ventilation
Duration (d)
13 (28)
18.2 ± 22.1
19 (32)
17.1 ± 19.9
0.674
0.788
Surfactant 23 (49) 36 (61) 0.242
Postnatal steroids 9 (19) 15 (25) 0.491
Patent ductus arteriosus 22 (47) 31 (53) 0.696
Bronchopulmonary dysplasia 18 (38) 27 (51) 0.446
Necrotizing enterocolitis 3 (6) 1 (2) 0.320
Sepsis 9 (19) 12 (20) 1.000
Intraventricular haemorrhage 6 (13) 14 (24) 0.212
Retinopathy of prematurity 1 (2) 5 (8) 0.224
Death 3 (6) 5 (8) 0.491
Pregnancy complications
Chorioamnionitis 3 (6) 11 (19) 0.085
Gestational diabetes 8 (17) 6 (10) 0.392
Hypertensive disorders of pregnancy 7 (15) 4 (7) 0.210
pPROM > 18 h 11 (23) 20 (34) 0.286
  1. pPROM: prolonged premature rupture of membranes