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Table 2 Baseline characteristics of infants in the pre and post-intervention phases. Data are shown as number (%), median (interquartile range) or mean (standard deviation)

From: Real-time ultrasound for tip location of umbilical venous catheter in neonates: a pre/post intervention study

Gestational age (wks) 29–36 11 (42.3) 16 (57.1) 0.06
Gestational age (wks) 37–42 9 (34.6) 9 (32.2) 0.44
Birth weight (g) 1808 [1060–3106] 2305 [1488–3110] 0.2775
VLBW 13 (50.0) 8 (28.6) 0.15
AGA 19 (73.0) 19 (67.8) 0.7698
Male 18 (69.2) 18 (64.2) 0.7773
Twins 3 (11.5) 3 (10.7) 1.0000
Cesarean section 22 (84.6) 18 (64.2) 0.4896
Abnormal antenatal Doppler 3 (11.5) 6 (21.4) 0.4704
Resuscitation in delivery room 21 (80.7) 20 (71.4) 0.5303
Apgar 1 min 6 [5–8] 8 [5–8] 0.3454
Apgar 5 min 8 [7–9] 8 [8–9] 0.8490