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Table 1 Hemogasanalysis components levels in neonates according to significant hyperbilirubinemia, total serum bilirubin >9 mg/dl at 36 h of life

From: Umbilical cord blood acid-base analysis and the development of significant hyperbilirubinemia in near-term and term newborns: a cohort study

 

Total Serum Bilirubin at 36 h

 

≤9 mg/dL

>9 mg/dL

p

Group size, %

404 (75.2%)

133 (24.8%)

 

Bilirubin at 36 h, mg%

6.92 (1.612)

10.04 (0.798)

<0.001

Cesarean delivery rate, %

27.73 (44.31)

14.29 (35.13)

0.001

Gestational age, weeks

39 (1.18)

39 (1.33)

0.212

Female, %

53.22 (49.96)

45.86 (50.02)

0.142

Birth weight, g

3320 (436)

3340 (419)

0.643

Body weight at 36 h, g

3112 (413)

3125 (397)

0.753

Delta weight decrease, g

−207 (66)

−211 (64)

0.574

Hematocrit at birth, %

49.44 (4.75)

51.65 (5.16)

<0.001

Hematocrit at 36 h, %

52.10 (6.83)

55.72 (6.58)

<0.001

pH, units

7.34 (0.076)

7.34 (0.079)

0.736

PaCO2, mmHg

43.10 (9.47)

41.45 (8.54)

0.076

PaO2, mmHg

23.93 (9.70)

23.86 (7.78)

0.938

HCO3 , mEq/L

21.29 (2.25)

20.71 (2.37)

0.010

Base Deficit, mEq/L

−2.68 (3.266)

−3.52 (3.188)

0.010

Lactacidemia, mEq/L

3.39 (1.737)

3.84 (1.864)

0.012

  1. Mean (± Standard Deviation, SD) or Percentage if not otherwise stated
  2. P < 0.05, Statistical significance by Student T test