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Table 1—

Validation of administrative data algorithms against primary care chart data

Administrative dataOffice charts
N
DiabetesNo diabetes
One PSC or one hospitalization with diagnosis of diabetes*    
    Diabetes 353 223 576 
    No diabetes 36 2,705 2,741 
    N 389 2,928 3,317 
Two PSCs or one hospitalization with diagnosis of diabetes    
    Diabetes 335 85 420 
    No diabetes 54 2,843 2,897 
    N 389 2,928 3,317 
Administrative dataOffice charts
N
DiabetesNo diabetes
One PSC or one hospitalization with diagnosis of diabetes*    
    Diabetes 353 223 576 
    No diabetes 36 2,705 2,741 
    N 389 2,928 3,317 
Two PSCs or one hospitalization with diagnosis of diabetes    
    Diabetes 335 85 420 
    No diabetes 54 2,843 2,897 
    N 389 2,928 3,317 

Data are n.

*

Sensitivity 0.91, PPV 0.61;

sensitivity 0.86, PPV 0.80.

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