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Table 2

Change in A1C and LDL cholesterol testing rates and values

AllIntervention group
ABC
  Control Learning cases Cases plus expert 
A1C testing rate (n2,020 691 725 604 
    12 months preintervention (%) 90.8 90.9 91.6 89.6 
    12 months postintervention (%) 89.2 90.2 88.9 88.2 
    Change in A1C test rate (%) −1.6 −0.7 −2.7 −1.4 
    Time (P = 0.07) Condition P = 0.79 Time-by-condition P = 0.63   
Last A1C value (mean) (n1,686 578 601 507 
    12 months preintervention 7.38 7.33 7.47 7.32 
    12 months postintervention 7.45 7.39 7.46 7.50 
    Change in A1C value (%) 0.07 0.06 −0.01 0.18 
    Time P = 0.009 Condition P = 0.58 Time-by-condition P = 0.04   
Last A1C value, patients on insulin (mean) (n526 172 199 155 
    12 month preintervention 7.95 7.87 8.02 7.95 
    12 month postintervention 7.92 7.88 7.85 8.03 
    Change in A1C value −0.03 +0.01 −0.17 +0.08 
    Time P = 0.69 Condition P = 0.74 Time-by-condition P = 0.15   
LDL cholesterol testing rate (n2,020 691 725 604 
    12 months preintervention (%) 71.6 74.2 70.2 70.2 
    12 months postintervention (%) 73.6 73.7 74.9 72.1 
    Change in LDL cholesterol test rate (%) +2.0 −0.5 +4.7 +1.9 
    Time P = 0.15 Condition P = 0.76 Time-by-condition P = 0.30   
Last LDL cholesterol value (mean) (n)* 1,178 412 419 347 
    12 month preintervention 106.0 107.0 106.3 104.5 
    12 month postintervention 102.6 102.9 103.9 100.8 
    Change in LDL cholesterol value −3.4 −4.1 −2.4 −3.7 
    Time P < 0.001 Condition P = 0.63 Time-by-condition P = 0.67   
AllIntervention group
ABC
  Control Learning cases Cases plus expert 
A1C testing rate (n2,020 691 725 604 
    12 months preintervention (%) 90.8 90.9 91.6 89.6 
    12 months postintervention (%) 89.2 90.2 88.9 88.2 
    Change in A1C test rate (%) −1.6 −0.7 −2.7 −1.4 
    Time (P = 0.07) Condition P = 0.79 Time-by-condition P = 0.63   
Last A1C value (mean) (n1,686 578 601 507 
    12 months preintervention 7.38 7.33 7.47 7.32 
    12 months postintervention 7.45 7.39 7.46 7.50 
    Change in A1C value (%) 0.07 0.06 −0.01 0.18 
    Time P = 0.009 Condition P = 0.58 Time-by-condition P = 0.04   
Last A1C value, patients on insulin (mean) (n526 172 199 155 
    12 month preintervention 7.95 7.87 8.02 7.95 
    12 month postintervention 7.92 7.88 7.85 8.03 
    Change in A1C value −0.03 +0.01 −0.17 +0.08 
    Time P = 0.69 Condition P = 0.74 Time-by-condition P = 0.15   
LDL cholesterol testing rate (n2,020 691 725 604 
    12 months preintervention (%) 71.6 74.2 70.2 70.2 
    12 months postintervention (%) 73.6 73.7 74.9 72.1 
    Change in LDL cholesterol test rate (%) +2.0 −0.5 +4.7 +1.9 
    Time P = 0.15 Condition P = 0.76 Time-by-condition P = 0.30   
Last LDL cholesterol value (mean) (n)* 1,178 412 419 347 
    12 month preintervention 106.0 107.0 106.3 104.5 
    12 month postintervention 102.6 102.9 103.9 100.8 
    Change in LDL cholesterol value −3.4 −4.1 −2.4 −3.7 
    Time P < 0.001 Condition P = 0.63 Time-by-condition P = 0.67   

*Those with test values both pre- and postintervention. †Those with A1C values and on insulin both pre- and postintervention.

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