Patient selection: newborn infant
Parameters:
(1) Apgar score at 5 minutes
(2) birth weight in grams
(3) congenital abnormalities
(4) gestational age in weeks
(5) maternal age in years
(6) maternal education in years
(7) maternal smoking during pregnancy
(8) maternal alcohol and/or substance use during pregnancy
(9) number of prenatal visits
(10) previous pregnancy
|
Parameter
|
Finding
|
Points
|
|
Apgar score at 5 minutes
|
< 8
|
12
|
|
|
>= 8
|
0
|
|
birth weight
|
< 1500 grams
|
6
|
|
|
1501 to 2000 grams
|
5
|
|
|
2001 to 2500 grams
|
4
|
|
|
2501 to 3000 grams
|
3
|
|
|
> 3000 grams
|
0
|
|
congenital abnormalities
|
no
|
0
|
|
|
yes
|
15
|
|
gestational age
|
< 28 weeks
|
25
|
|
|
28 to 31 6/7 weeks
|
17
|
|
|
32 to 36 6/7 weeks
|
10
|
|
|
>= 37 weeks
|
0
|
|
maternal age in years
|
< 24 years
|
2
|
|
|
>= 24 years
|
0
|
|
maternal education
|
< 10 years
|
8
|
|
|
10 to 11
|
6
|
|
|
12 (high school grad)
|
4
|
|
|
> 12
|
0
|
|
maternal smoking
|
yes
|
7
|
|
|
no
|
0
|
|
alcohol or substance use
|
no
|
0
|
|
|
yes
|
3
|
|
number of prenatal visits
|
< 10
|
4
|
|
|
>= 10
|
0
|
|
previous pregnancy
|
no
|
0
|
|
|
yes
|
4
|
total score =
= SUM(points for all 10 parameters)
Interpretation:
• minimum score: 0
• maximum score: 86
• A score >= 17 is considered high risk.
• An infant who is high risk has a mortality 5.6 times that of a low risk infant.
Performance:
• The area under the ROC curve is 0.78.
