As before,
C1 claim noted C30 days apart was required for outpatient
diagnoses.All analyses were conducted using SAS 9.2 (Cary, NC).
Two-tailed Chi square tests or t-tests were used to compare
the distribution of maternal characteristics and complications
among black women with SCD and the two
comparison groups of black women without SCD. Multivariable
log-binomial regression models were used to calculate
prevalence ratios for maternal complications for
women with SCD compared with the CC? and CC comparison
groups, after adjusting for maternal age at
delivery, plurality and smoking B40 weeks prior to the
delivery hospitalization.