A1C to detect diabetes in healthy adults: when should we recheck?

OBJECTIVE: To evaluate the optimal interval for rechecking A1C levels below the diagnostic threshold of 6.5% for healthy adults. RESEARCH DESIGN AND METHODS: This was a retrospective cohort study. Participants were 16,313 apparently healthy Japanese adults not taking glucose-lowering medications at...

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Main Authors: Takahashi, O, Farmer, A, Shimbo, T, Fukui, T, Glasziou, P
Format: Journal article
Language:English
Published: 2010
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author Takahashi, O
Farmer, A
Shimbo, T
Fukui, T
Glasziou, P
author_facet Takahashi, O
Farmer, A
Shimbo, T
Fukui, T
Glasziou, P
author_sort Takahashi, O
collection OXFORD
description OBJECTIVE: To evaluate the optimal interval for rechecking A1C levels below the diagnostic threshold of 6.5% for healthy adults. RESEARCH DESIGN AND METHODS: This was a retrospective cohort study. Participants were 16,313 apparently healthy Japanese adults not taking glucose-lowering medications at baseline. Annual A1C measures from 2005 to 2008 at the Center for Preventive Medicine, a community teaching hospital in Japan, estimated cumulative incidence of diabetes. RESULTS: Mean age (+/-SD) of participants was 49.7 +/- 12.3 years, and 53% were male. Mean A1C at baseline was 5.4 +/- 0.5%. At 3 years, for those with A1C at baseline of &lt;5.0%, 5.0-5.4%, 5.5-5.9%, and 6.0-6.4%, cumulative incidence (95% CI) was 0.05% (0.001-0.3), 0.05% (0.01-0.11), 1.2% (0.9-1.6), and 20% (18-23), respectively. CONCLUSIONS: In those with an A1C &lt;6.0%, rescreening at intervals shorter than 3 years identifies few individuals (approximately <or=1%) a1c="" an="" with="">or=6.5%.</or=1%)>
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spelling oxford-uuid:136c2922-9b1e-4b97-bd43-c9769748201a2022-03-26T10:13:48ZA1C to detect diabetes in healthy adults: when should we recheck?Journal articlehttp://purl.org/coar/resource_type/c_dcae04bcuuid:136c2922-9b1e-4b97-bd43-c9769748201aEnglishSymplectic Elements at Oxford2010Takahashi, OFarmer, AShimbo, TFukui, TGlasziou, P OBJECTIVE: To evaluate the optimal interval for rechecking A1C levels below the diagnostic threshold of 6.5% for healthy adults. RESEARCH DESIGN AND METHODS: This was a retrospective cohort study. Participants were 16,313 apparently healthy Japanese adults not taking glucose-lowering medications at baseline. Annual A1C measures from 2005 to 2008 at the Center for Preventive Medicine, a community teaching hospital in Japan, estimated cumulative incidence of diabetes. RESULTS: Mean age (+/-SD) of participants was 49.7 +/- 12.3 years, and 53% were male. Mean A1C at baseline was 5.4 +/- 0.5%. At 3 years, for those with A1C at baseline of &lt;5.0%, 5.0-5.4%, 5.5-5.9%, and 6.0-6.4%, cumulative incidence (95% CI) was 0.05% (0.001-0.3), 0.05% (0.01-0.11), 1.2% (0.9-1.6), and 20% (18-23), respectively. CONCLUSIONS: In those with an A1C &lt;6.0%, rescreening at intervals shorter than 3 years identifies few individuals (approximately <or=1%) a1c="" an="" with="">or=6.5%.</or=1%)>
spellingShingle Takahashi, O
Farmer, A
Shimbo, T
Fukui, T
Glasziou, P
A1C to detect diabetes in healthy adults: when should we recheck?
title A1C to detect diabetes in healthy adults: when should we recheck?
title_full A1C to detect diabetes in healthy adults: when should we recheck?
title_fullStr A1C to detect diabetes in healthy adults: when should we recheck?
title_full_unstemmed A1C to detect diabetes in healthy adults: when should we recheck?
title_short A1C to detect diabetes in healthy adults: when should we recheck?
title_sort a1c to detect diabetes in healthy adults when should we recheck
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