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Table 1—

Demographic characteristics for chronic insulin users

nHbA1cInsulin use (%)
All 6,222 7.98 ± 1.66 77.44 (17.14) 
Age    
    ≥65 years 4,053 7.75 ± 1.51* 77.89 (16.95) 
    <65 years 2,169 8.41 ± 1.84 76.60 (17.46) 
Race/ethnicity    
    Caucasian 2,515 7.79 ± 1.53 78.59 (17.35) 
    African American 451 8.28 ± 2.04 70.93 (19.96)| 
    Hispanic/other 1,959 8.33 ± 1.74 77.07 (15.44) 
    Mixed/undefined 1,297 7.71 ± 1.54§ 78.02 (17.60) 
Insulin alone 2,491 7.67 ± 1.63 77.48 (17.22) 
Insulin + 1 OHA 2,431 8.08 ± 1.65 77.05 (16.95) 
Insulin + ≥2 OHAs 1,300 8.39 ± 1.62 78.10 (17.35) 
Insulin with any OHA 3,731 8.19 ± 1.65 77.41 (17.10) 
nHbA1cInsulin use (%)
All 6,222 7.98 ± 1.66 77.44 (17.14) 
Age    
    ≥65 years 4,053 7.75 ± 1.51* 77.89 (16.95) 
    <65 years 2,169 8.41 ± 1.84 76.60 (17.46) 
Race/ethnicity    
    Caucasian 2,515 7.79 ± 1.53 78.59 (17.35) 
    African American 451 8.28 ± 2.04 70.93 (19.96)| 
    Hispanic/other 1,959 8.33 ± 1.74 77.07 (15.44) 
    Mixed/undefined 1,297 7.71 ± 1.54§ 78.02 (17.60) 
Insulin alone 2,491 7.67 ± 1.63 77.48 (17.22) 
Insulin + 1 OHA 2,431 8.08 ± 1.65 77.05 (16.95) 
Insulin + ≥2 OHAs 1,300 8.39 ± 1.62 78.10 (17.35) 
Insulin with any OHA 3,731 8.19 ± 1.65 77.41 (17.10) 

Data are means ± SD.

*

P < 0.0001,

P < 0.01,

P < 0.05 for Caucasian vs. African American and Hispanic;

§

P < 0.05 for unknown/mixed vs. African American and Hispanic;

|

P < 0.05 for African American vs. Hispanic and unknown/mixed;

P < 0.05 for all group differences.

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