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Table 3—

Percentage of patients meeting diabetes performance measures at baseline and after intervention, with change, net difference, and statistical significance of the net difference in performance between control and IMPACT clinics

BaselineIntervention periodChangeNet difference (I2 − I1) − (C2 − C1)P value*
Blood pressure monitoring      
    IMPACT clinics 95.1 ± 0.8 96.4 ± 0.6 1.3 ± 0.9 3.5 ± 1.7 0.050 
    Control clinics 94.3 ± 1.1 92.2 ± 1.2 −2.1 ± 1.4   
Renal testing      
    IMPACT clinics 40.9 ± 4.4 64.1 ± 4.2 23.2 ± 5.0 28.5 ± 7.0 <0.001 
    Control clinics 37.1 ± 4.3 31.8 ± 4.0 −5.3 ± 4.6   
Annual eye examination      
    IMPACT clinics 35.5 ± 3.0 62.5 ± 3.1 27.0 ± 2.9 25.9 ± 4.2 <0.001 
    Control clinics 24.8 ± 2.5 26.0 ± 2.6 1.2 ± 2.3   
Foot examination      
    IMPACT clinics 39.4 ± 4.2 68.8 ± 3.8 29.4 ± 5.6 35.0 ± 5.6 <0.001 
    Control clinics 39.1 ± 4.2 33.5 ± 3.9 −5.6 ± 5.4   
A1C testing      
    IMPACT clinics 88.2 ± 1.5 90.1 ± 1.1 2.8 ± 0.9 8.1 ± 1.5 <0.001 
    Control clinics 87.5 ± 1.5 82.3 ± 1.9 −5.3 ± 1.2   
LDL cholesterol testing      
    IMPACT clinics 69.6 ± 3.0 78.0 ± 2.4 8.9 ± 1.3 8.6 ± 1.9 <0.001 
    Control clinics 64.3 ± 3.2 64.6 ± 3.2 0.3 ± 1.6   
BaselineIntervention periodChangeNet difference (I2 − I1) − (C2 − C1)P value*
Blood pressure monitoring      
    IMPACT clinics 95.1 ± 0.8 96.4 ± 0.6 1.3 ± 0.9 3.5 ± 1.7 0.050 
    Control clinics 94.3 ± 1.1 92.2 ± 1.2 −2.1 ± 1.4   
Renal testing      
    IMPACT clinics 40.9 ± 4.4 64.1 ± 4.2 23.2 ± 5.0 28.5 ± 7.0 <0.001 
    Control clinics 37.1 ± 4.3 31.8 ± 4.0 −5.3 ± 4.6   
Annual eye examination      
    IMPACT clinics 35.5 ± 3.0 62.5 ± 3.1 27.0 ± 2.9 25.9 ± 4.2 <0.001 
    Control clinics 24.8 ± 2.5 26.0 ± 2.6 1.2 ± 2.3   
Foot examination      
    IMPACT clinics 39.4 ± 4.2 68.8 ± 3.8 29.4 ± 5.6 35.0 ± 5.6 <0.001 
    Control clinics 39.1 ± 4.2 33.5 ± 3.9 −5.6 ± 5.4   
A1C testing      
    IMPACT clinics 88.2 ± 1.5 90.1 ± 1.1 2.8 ± 0.9 8.1 ± 1.5 <0.001 
    Control clinics 87.5 ± 1.5 82.3 ± 1.9 −5.3 ± 1.2   
LDL cholesterol testing      
    IMPACT clinics 69.6 ± 3.0 78.0 ± 2.4 8.9 ± 1.3 8.6 ± 1.9 <0.001 
    Control clinics 64.3 ± 3.2 64.6 ± 3.2 0.3 ± 1.6   

Data are means ± SEM.

*

P value based on d.f. = 22. C1, control practices at baseline; C2, control practices at 12 months; I1, intervention practices at baseline; I2, intervention practices at 12 months.

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