Polavarapu et al reported a model for predicting risk of sudden infant death syndrome (SIDS). This can help to identify an infant who may benefit from preventive strategies. The authors are from the University of Toledo, University of Illinois, Johns Hopkins All Children's Hospital, Children's Hospital of Illinois, and Washington University.
Parameters:
(1) z score for birthweight
(2) passive exposure to smoking
(3) maternal age at time of childbirth
(4) family history of SIDS
(5) breastfeeding duration in months
(6) maternal anemia during pregnancy
Parameter
Finding
Points
z score for birthweight
>= -1.0
0
< - 1.0
1
passive exposure to smoke
no
0
yes
1
maternal age
< 25 years of age
1
>= 25 years of age
0
family history of SIDS
no
0
yes
2
breastfeeding duration
< 2 months
3
2 to 4 months
2
> 4 months
0
anemia during pregnancy
no
0
yes
1
total score =
= SUM(points for all of the parameters)
Interpretation:
• minimum score: 0
• maximum score: 9
• The higher the score the greater the risk of SIDS.
• A cutoff score >= 6 was 44% sensitive and 90% specific.
Performance:
• The area under the ROC curve is 0.79
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