Key result
Identification of diabetes from administrative data on the index CHD admission had lower sensitivity in the ICD-10 era compared to ICD-9 (81.5% vs 91.1%), which improved to 89.6% using a 10-year lookback.
Population
3943 coronary heart disease (CHD) patients hospitalized in Western Australia in 1998 and 2002-04
Comparison
Linked administrative health data with varying… vs Hospital medical records
Design
Cohort
Follow-up
Up to 15 years (lookback period)
Authors
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Administrative data with ≥10-year lookback may reduce diabetes underestimation in CHD patients; leaves open optimal application for prevalence trends.
Observational (n=3,943)
Yes
Absolute Event Rate: 81.5% vs 91.1%
p-value: p=<0.0001
Using at least 10 years of hospitalization history in linked administrative health data significantly improves the accuracy of identifying diabetes status in patients with coronary heart disease.
Nedkoff et al. (2013) conducted an observational in Coronary heart disease (n=3,943). Administrative health data (ICD-10 vs ICD-9) vs. Medical records (reference standard) was evaluated on Sensitivity of administrative data for identifying diabetes on the index CHD admission (ICD-10 vs ICD-9) (p=<0.0001). Identification of diabetes from administrative data on the index CHD admission had lower sensitivity in the ICD-10 era compared to ICD-9 (81.5% vs 91.1%), which improved to 89.6% using a 10-year lookback.
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