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Table 3 Univariate logistic regression analysis for the parameters affecting cerebral regional oxygenation (crSO2) at 1 min

From: Near-infrared spectroscopy measured cerebral oxygenation in full-term infants during transition: an observational study

 

crSO2 at 1 min

Univariate

Below 50th centile (n = 30)

Above 50th centile (n = 30)

p

OR (95%C.I)

Cord blood gases

  PH

    Min.–max

7.11–7.45

7.19–7.44

0.962

0.985 (0.532–1.826)

    Median (IQR)

7.33 (7.25–7.37)

7.31 (7.24–7.35)

  PCO2

    Min.–max

32.70–74.20

20.10–66.60

0.587

1.014 (0.966–1.064)

    Mean ± SD

48.07 ± 10.45

49.54 ± 10.88

  HCO3

    Min.–max

11.20–29.30

13.40–28.80

0.811

1.017 (0.887–1.165)

    Median (IQR)

23.95 (21.50–25.60)

24.10 (23.00–26.00)

  BE

    Min.–max

 − 18.30–4.00

 − 14.00–3.00

0.729

1.022 (0.905–1.153)

    Median (IQR)

 − 2.10 (− 5.50–1.00)

 − 2.15 (− 3.50 to − 0.40)

Mode of delivery

  C-section

14 (46.7%)

16 (53.3%)

0.606

1.000

  NVD

16 (53.3%)

14 (46.7%)

0.766 (0.278–2.111)

Maternal history

  Anemia

16 (53.3%)

20 (66.7%)

0.294

1.750 (0.616–4.973)

  PIH

4 (13.3%)

4 (13.3%)

0.999

1.000 (0.226–4.431)

  UTI

12 (40.0%)

7 (23.3%)

0.169

0.457 (0.149–1.396)

  Vaginitis

14 (46.7%)

16 (53.3%)

0.606

1.306 (0.474–3.602)

  PROM

10 (33.3%)

6 (20%)

0.247

0.5 (0.155–1.616)

  1. IQR interquartile range, SD standard deviation, OR odd’s ratio, C.I confidence interval, LL lower limit, UL upper limit, p p value for odd’s ratio for comparing between the studied groups
  2. *Statistically significant at p ≤ 0.05
  3. #All variables with p < 0.05 in Univariate was included in the multivariate
  4. NVD normal vaginal delivery, UTI urinary tract infection, PIH pregnancy-induced hypertension, PROM premature rupture of membranes