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Variation between Hospitals with Regard to Diagnostic Practice, Coding Accuracy, and Case-Mix. A Retrospective Validation Study of Administrative Data versus Medical Records for Estimating 30-Day Mortality after Hip Fracture.

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Table A in S2 Text for a tabulation of the variables used). The mean value was imputed in the records with missing values.
Table 3. Final diagnosis from the classification tree versus presence of relevant procedures and discharge diagnosis.
Table 5. Joint PAS and medical record logistic model for 30-day mortality. N = 1043.
Fig 2. True test levels as function of number of cases, by nominal significance level

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