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Table 4 Analysis of the risk factors of neonatal hypoglycemia in the RD intravenous administration group

From: Incidence and risk factors of neonatal hypoglycemia after ritodrine therapy in premature labor: a retrospective cohort study

 

No Neonatal Hypoglycemia

Neonatal Hypoglycemia

P value

AOR

95%CI

P value

Cases (n)

36 (38.3)

58 (61.7)

    

Maternal age over 35 (n)

7 (19.4)

24 (41.4)

0.042

3.385

1.082–10.588

0.036

Maternal height (cm)

158.5 (140.0 – 169.0)

158.0 (146.0 – 174.0)

0.703

   

Pre-pregnancy BMI (kg/m2)

20.4 (15.3 – 26.6)

20.3 (17.0 – 33.8)

0.876

   

Maternal weight gain (kg)

8.0 (1.5 – 18.0)

9.0 (3.0 – 17.5)

0.117

   

Gestational age (wk/day)

37 /1 (36/0 – 38/4)

37/0 (36/0 – 37/6)

0.598

   

Birth weight < 2500 g (n)

7 (19.4)

26 (44.8)

0.015

2.479

0.774–7.942

0.126

Twin birth (n)

6 (16.7)

25 (43.1)

0.012

2.417

0.743–7.863

0.143

Administration of magnesium sulfate (n)

4 (11.1)

11 (19.0)

0.393

   

Administration length (day)

43.5 (0.04 – 134.0)

38.5 (6.0 – 147.0)

0.694

   

Final administration dose rate (μg/min)

65.0 (33.0 – 192.3)

93.3 (32.1 – 192.3)

0.048

0.999

0.987–1.011

0.878

Interval (hr)

12.5 (0.0 – 154.0)

1.3 (0.0 – 167.9)

< 0.001

0.974

0.953–0.996

0.020

  1. Data are expressed as median (min-max) or number (%). The final administration dose rate is that at the time of stopping maternal intravenous administration of RD. The interval is the time period from stopping maternal intravenous administration of RD to delivery
  2. RD: ritodrine hydrochloride, AOR adjusted odds ratio, CI confidence interval