Table 5: Number of cases of acute respiratory disease prevented and dollars saved through administration of ACS to hypothetical late-preterm birth cohort, assuming base-case estimates and late-preterm birth rate approximately 331,500 infants.

StrategyCases ARD
( )*
Cases ARD prevented
( )*
Cost saved
($ millions)

34 weeks
ACS with labor
7072742626.0
34 weeks
No ACS (Reference)
14498ReferenceReference
35 weeks
ACS with labor
353635366.0
35 weeks
No ACS (Reference)
7072ReferenceReference
36 weeks
ACS with labor
21221414−3.4
36 weeks
No ACS (Reference)
3536ReferenceReference

*Assumes that prevalence of late-preterm live singletons delivered annually ( 331,500) is divided equally between each gestational age week.
ACS: antenatal corticosteroids; ARD: acute respiratory disease.