Journal of Pregnancy / 2010 / Article / Tab 2

Research Article

Antenatal Steroid Therapy for Fetal Lung Maturation and the Subsequent Risk of Childhood Asthma: A Longitudinal Analysis

Table 2

Rates of antenatal steroid therapy administration and preterm birth by year of birth.

Total birthsSteroid administration
PretermFull termPreterm birth
NumNumRateNumRateNumRate

Year of birth
 19895,87426109.24183.1923840.52
 19908,74749129.63182.1537843.21
 19918,44458164.31283.4635341.80
 19928,39479201.02405.0039346.82
 19938,28769195.47364.5435342.60
 19948,59168181.82485.8437443.53
 19958,39978186.16344.2641949.89
 19968,42299235.71465.7542049.87
 19977,905106261.08608.0040651.36
 19987,38599254.507610.8638952.67

Total80,448731196.354045.273,72346.28

Note: Rate is per 1,000 births.

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