Inpatient Glucose Values: Determining the Nondiabetic Range and Use in Identifying Patients at High Risk for Diabetes.

Link to article at PubMed

Inpatient Glucose Values: Determining the Nondiabetic Range and Use in Identifying Patients at High Risk for Diabetes.

Am J Med. 2017 Oct 06;:

Authors: Rhee MK, Safo SE, Jackson SL, Xue W, Olson DE, Long Q, Barb D, Haw JS, Tomolo AM, Phillips LS

Abstract
BACKGROUND: Many individuals with diabetes remain undiagnosed, leading to delays in treatment and higher risk for subsequent diabetes complications. Despite recommendations for diabetes screening in high risk groups, the optimal approach is not known. We evaluated the utility of inpatient glucose levels as an opportunistic screening tool for identifying patients at high risk for diabetes.
METHODS: We retrospectively examined 462,421 patients in the national VA healthcare system, hospitalized on medical/surgical services in 2000-2010, for ≥3 days, with ≥2 inpatient random plasma glucose (RPG) measurements. All had continuity of care - ≥1 primary care visit and ≥1 glucose measure within 2 years before hospitalization and yearly for ≥3 years after discharge. Glucose levels during hospitalization and incidence of diabetes within 3 years after discharge in patients without diabetes were evaluated.
RESULTS: Patients had mean age 65.0 years, BMI 29.9, and were 96% male, 71% white, and 18% black. Preexisting diabetes was present in 39.4%, 1.3% were diagnosed during hospitalization, 8.1% diagnosed <5 years post-discharge, and 51.3% never diagnosed (NonDM). The NonDM group had the lowest mean hospital RPG (112 mg/dl [6.2 mmol/L]). Having at least two RPGs >140 mg/dl (>7.8 mmol/L), the 95(th) percentile of NonDM hospital glucose, provided 81% specificity for identifying incident diabetes <3 years post-discharge.
CONCLUSIONS: Screening for diabetes could be considered in patients with at least two hospital glucoses at/above the 95th percentile of the nondiabetic range (141 mg/dl [7.8 mmol/L]).

PMID: 28993187 [PubMed - as supplied by publisher]

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