CHDRFKB

Factor Information
Data ID	3832
Factor	nonurban location
Description	Mean referral age by all nonpediatricians was 222 days vs 136 days for all pediatricians (P=.008), but nonurban pediatricians referred patients at a similar age as nonpediatricians.
Biomarker	NA
Classification	B4 (environmental factor - other)

Association
Application	risk assessment
Objective	To chronicle current referral practices for children with congenital cardiac disease and to determine which factors (lesion, physician type, insurance, or physician location) influenced the age at referral.
p Value	0.008
Conclusion	Mean referral age by all nonpediatricians was 222 days vs 136 days for all pediatricians (P=.008), but nonurban pediatricians referred patients at a similar age as nonpediatricians.
Risk Factor	risk factor (article mentioned)

Reference
PMID	9308866
Year	1997
Title	Factors influencing age at referral of children with congenital heart disease

Sample
Population	children
Source	Data
Region	Tucson, USA
Method	Data were collected from our congenital cardiac registry for all children
Race	North America
Disease History	N/A
Treatment History	N/A
Group	urban pediatricians(Treatment)	nonurban pediatricians(Control)
Number	111	301
Age	108±12 days	213±38 days
Gender (Male: Female)	N/A	N/A
Marker Level	108±12 days	213±38 days