Studies of external validation: Chicago Western Electric122

Validation study IDValidating population, location, date, description
Follow up
Population characteristics
Inclusion
Exclusion
Co-morbidity
Changes to methods.
Methods used for validation
Results
Attempt at recalibration
Authors conclusions: applicability in studied population.
Reviewer notes
Katz et al. 1993122Tecumseh Community Health Study

Tecumseh, Oklahoma, USA. Volunteers

1959-

12 year follow up
Age 40–54
N=627
100% male
100% white

5% of cohort had pre-existing CHD
Death from all causes

Discrimination: area under ROC
Discrimination
AUROC (CI)0.70 (0.55–0.85)
Accuracy curve suggests that the equation underestimates mortality in this population

From: Appendix 6, Studies of external validation of risk-scoring methods (part complete)

Cover of A Systematic Review of Risk Scoring Methods and Clinical Decision Aids Used in the Primary Prevention of Coronary Heart Disease (Supplement)
A Systematic Review of Risk Scoring Methods and Clinical Decision Aids Used in the Primary Prevention of Coronary Heart Disease (Supplement) [Internet].
NICE Clinical Guidelines, No. 67S.
Beswick AD, Brindle P, Fahey T, et al.
Copyright © 2008, Royal College of General Practitioners.

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