Key result
A risk score incorporating fetal weight, maternal BMI, gestational diabetes, and labor characteristics predicted neonatal Erb palsy, with a score of 0.72 yielding 36% sensitivity and 99% specificity.
Why the study?
Can a risk score based on variables ascertainable before delivery predict neonatal Erb palsy?
Population
135 pregnancies (45 consecutive Erb palsy cases and 90 controls)
Design
Case-control
Authors
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Should not yet guide delivery decisions due to low sensitivity; leaves open need for prospective validation before clinical use.
Case-Control (n=135)
Can a risk score based on variables ascertainable before delivery predict neonatal Erb palsy?
Odds Ratio: 20.1
p-value: p=0.001
A predictive risk score using pre-delivery variables can identify pregnancies at high risk for neonatal Erb palsy with high specificity, potentially guiding delivery mode decisions.
Deaver et al. (2008) conducted a case-control in Neonatal Erb palsy (n=135). Maternal and fetal risk factors (e.g., large estimated fetal weight, gestational diabetes, large maternal BMI) vs. Absence of these risk factors was evaluated on Erb palsy (OR 20.1, p=0.001). A risk score incorporating fetal weight, maternal BMI, gestational diabetes, and labor characteristics predicted neonatal Erb palsy, with a score of 0.72 yielding 36% sensitivity and 99% specificity.
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