OBJECTIVE: To examine rates of diabetes screening in obese adolescents in an ethnically diverse primary care health care system before and after an internal recommendation to use HbA1c-based screening. RESEARCH DESIGN AND METHODS: Adolescents 12-18-years old with BMI > 95% were identified through electronic medical record review during two 18-month periods in 8 community health clinics and 13 school-based health centers: period 1 (P1, 19 April 2008 to 19 October 2009) and period 2 (P2, 3 May 2010 to 3 November 2011). Testing for diabetes in the 2 yr preceding the most recently elevated BMI was reviewed. RESULTS: A total of 2870 obese adolescents were identified in P1 and 3940 in P2. Ethnicity was primarily Hispanic, with smaller populations of Black and White youth. The percent of obese teens screened for diabetes increased from 40% in P1 to 47% in P2. Use of HbA1c increased 493% during P2. Older teens (>15 yr), those seen during P2, and those with BMI ≥ 30 kg/m2 were more likely to be screened. Record review confirmed equal rates of type 2 diabetes in the two periods: 8 incident (0.7%) cases in P1 and 13 (0.7%) in P2. CONCLUSIONS: The use of HbA1c, a non-fasting and logistically simpler test, was associated with increased diabetes screening in primary care. The percentage of screened patients with confirmed type 2 diabetes remained unchanged. Thus, despite potential pitfalls, the use of HbA1c for screening appears to be as successful as previous approaches in identifying adolescents with diabetes.
OBJECTIVE: To examine rates of diabetes screening in obese adolescents in an ethnically diverse primary care health care system before and after an internal recommendation to use HbA1c-based screening. RESEARCH DESIGN AND METHODS: Adolescents 12-18-years old with BMI > 95% were identified through electronic medical record review during two 18-month periods in 8 community health clinics and 13 school-based health centers: period 1 (P1, 19 April 2008 to 19 October 2009) and period 2 (P2, 3 May 2010 to 3 November 2011). Testing for diabetes in the 2 yr preceding the most recently elevated BMI was reviewed. RESULTS: A total of 2870 obese adolescents were identified in P1 and 3940 in P2. Ethnicity was primarily Hispanic, with smaller populations of Black and White youth. The percent of obese teens screened for diabetes increased from 40% in P1 to 47% in P2. Use of HbA1c increased 493% during P2. Older teens (>15 yr), those seen during P2, and those with BMI ≥ 30 kg/m2 were more likely to be screened. Record review confirmed equal rates of type 2 diabetes in the two periods: 8 incident (0.7%) cases in P1 and 13 (0.7%) in P2. CONCLUSIONS: The use of HbA1c, a non-fasting and logistically simpler test, was associated with increased diabetes screening in primary care. The percentage of screened patients with confirmed type 2 diabetes remained unchanged. Thus, despite potential pitfalls, the use of HbA1c for screening appears to be as successful as previous approaches in identifying adolescents with diabetes.
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