Definition of abbreviations: ACS, acute chest syndrome; IUGR,
intrauterine growth restriction; LBW, low birth weight; SCD, sickle cell
disease; VLBW, very low birth weight.
*Mann-Whitney U test for rates or Fisher’s exact test for percentage
difference.
TABLE 3 Multivariable penalized logistic regression models for fetal
death among pregnant women with SCD (n = 103).