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Table 1 Baseline Maternal and Infant Characteristics between the two groups

From: Safety and efficacy of therapeutic hypothermia in neonates with mild hypoxic-ischemic encephalopathy

Variable

TH group

n = 31

Non-TH group

n = 40

P Value

Maternal Characteristics

 Age, y, mean ± SD

28.2 ± 4.2

28.3 ± 5.1

0.921

 Complications of pregnancya, n(%)

4 (12.9)

6 (15.0)

0.801

 Intrapartum complicationsb, n(%)

22 (71.0)

21 (52.5)

0.114

 Cesarean section, n(%)

7 (22.6)

13 (32.5)

0.357

Infant Characteristics

 Male, n(%)

20 (64.5)

22 (55.0)

0.418

 Birth weight, g, mean ± SD

3307 ± 516.0

3227 ± 471.1

0.498

 Gestational age, week, mean ± SD

39.5 ± 1.2

39.3 ± 1.5

0.500

Apgar score, median(IQR)

 1 min

3 (2–5)

4 (2.3-5)

0.733

 5 min

6 (5–7)

7 (5–8)

0.033

Resuscitation at birth, n(%)

 Positive pressure ventilation > 10 min

10 (32.3)

6 (15.0)

0.084

 Tracheal intubation

21 (67.7)

16 (40.0)

0.020

 Chest compressions > 30 s

12 (38.7)

6 (15.0)

0.023

 Adrenalin

7 (22.6)

5 (12.5)

0.261

Arterial blood gas in umbilical artery or 1 h postnatal, mean ± SD

 pH

7.06 ± 0.14

n = 19

7.02 ± 0.08

n = 6

0.490

 BE, mmol/L

-18.7 ± 4.8

n = 19

-19.3 ± 4.6

n = 6

0.804

 Initial time of Enteral feeding, day, median(IQR)

4 (3–4)

1 (1–2)

< 0.001

 Analgesic and sedative drug use, n(%)

14 (45.2)

7 (17.5)

0.011

 Age at admission, h, median(IQR)

4.0 (2.5-5.0)

3.3 (2.5–6.5)

0.995

 Length of stay, day, median(IQR)

12.5 (11–14)

9 (7-13.9)

0.003

  1. Abbreviation: TH Therapeutic hypothermia, BE Base excess, SD Standard deviation, IQR Interquartile range
  2. a Complications during pregnancy include gestational diabetes mellitus, hypertension, hypothyroidism
  3. b Complications during delivery include amniotic fluid contamination III, slow fetal heart, placental abruption, placenta previa, umbilical cord prolapse, premature rupture of membranes, amniotic fluid embolism, uterine rupture, and fever