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Original Article
Normal Glucose Tolerance with a High 1-Hour Postload Plasma Glucose Level Exhibits Decreased β-Cell Function Similar to Impaired Glucose Tolerance
Tae Jung Oh, Se Hee Min, Chang Ho Ahn, Eun Ky Kim, Soo Heon Kwak, Hye Seung Jung, Kyong Soo Park, Young Min Cho
Diabetes Metab J. 2015;39(2):147-153.   Published online March 9, 2015
DOI: https://doi.org/10.4093/dmj.2015.39.2.147
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  • 12 Citations
AbstractAbstract PDFPubReader   
Background

Subjects with normal glucose tolerance (NGT) who have a high 1-hour postload plasma glucose level (≥155 mg/dL; NGT 1 hour-high) have been shown to be at higher risk for type 2 diabetes than subjects with NGT 1 hour-low postload plasma glucose level (<155 mg/dL). We compared β-cell function in subjects with NGT 1 hour-high, NGT 1 hour-low, and impaired glucose tolerance (IGT).

Methods

We classified subjects into NGT 1 hour-low (n=149), NGT 1 hour-high (n=43), and IGT (n=52). The β-cell function was assessed based on insulinogenic index (IGI), oral disposition index (DI), and insulin secretion-sensitivity index-2 (ISSI-2).

Results

Insulin sensitivity was comparable between the subjects with NGT 1 hour-high and NGT 1 hour-low. The β-cell function with/without adjusting insulin sensitivity was significantly different among the three groups. The IGI (pmol/mmol) was 116.8±107.3 vs. 64.8±47.8 vs. 65.8±80.6 (P=0.141), oral DI was 3.5±4.2 vs. 1.8±1.4 vs. 1.8±3.1 (P<0.001), and ISSI-2 was 301.2±113.7 vs. 213.2±67.3 vs. 172.5±87.5 (P<0.001) in NGT 1 hour-low, NGT 1 hour-high, and IGT, respectively. Post hoc analyses revealed that oral DI and ISSI-2 were significantly different between NGT 1 hour-low and NGT 1 hour-high but comparable between NGT 1 hour-high and IGT.

Conclusion

Among Korean subjects with NGT, those who have a higher 1-hour postload glucose level have a compromised insulin-sensitivity adjusted β-cell function to a similar degree as IGT subjects.

Citations

Citations to this article as recorded by  
  • Pancreatic fat accumulation is associated with decreased β‐cell function and deterioration in glucose tolerance in Korean adults
    Sang Ouk Chin, You‐Cheol Hwang, In‐Jin Cho, In‐Kyung Jeong, Kyu Jeung Ahn, Ho Yeon Chung
    Diabetes/Metabolism Research and Reviews.2021;[Epub]     CrossRef
  • Indirect insulin resistance detection: Current clinical trends and laboratory limitations
    Sylwia Placzkowska, Lilla Pawlik-Sobecka, Izabela Kokot, Agnieszka Piwowar
    Biomedical Papers.2019; 163(3): 187.     CrossRef
  • Clinical Implications of Using Post-Challenge Plasma Glucose Levels for Early Diagnosis of Type 2 Diabetes Mellitus in Older Individuals
    Kyong Hye Joung, Sang Hyun Ju, Ji Min Kim, Sorim Choung, Jae Min Lee, Kang Seo Park, Hyun Jin Kim, Bon Jeong Ku
    Diabetes & Metabolism Journal.2018; 42(2): 147.     CrossRef
  • The 1-h post-load plasma glucose as a novel biomarker for diagnosing dysglycemia
    Ram Jagannathan, Martin Buysschaert, José Luis Medina, Karin Katz, Sarah Musleh, Brenda Dorcely, Michael Bergman
    Acta Diabetologica.2018; 55(6): 519.     CrossRef
  • Elevated 1‐hour post‐load plasma glucose identifies obese youth with abnormal glucose metabolism and an unfavourable inflammatory profile
    Anastasios Serbis, Vasileios Giapros, Anna Challa, Nikolaos Chaliasos, Ekaterini Siomou
    Clinical Endocrinology.2018; 89(6): 757.     CrossRef
  • One‐hour postload plasma glucose concentration in people with normal glucose homeostasis predicts future diabetes mellitus: a 12‐year community‐based cohort study
    Tae Jung Oh, Soo Lim, Kyoung Min Kim, Jae Hoon Moon, Sung Hee Choi, Young Min Cho, Kyong Soo Park, HakChul Jang, Nam H. Cho
    Clinical Endocrinology.2017; 86(4): 513.     CrossRef
  • An elevated 1-h post- load glucose level during the oral glucose tolerance test detects prediabetes
    Martin Buysschaert, Michael Bergman, Donald Yanogo, Ram Jagannathan, Benoit Buysschaert, Vanessa Preumont
    Diabetes & Metabolic Syndrome: Clinical Research & Reviews.2017; 11(2): 137.     CrossRef
  • Delayed insulin secretion response during an OGTT is associated with an increased risk for incidence of diabetes in NGT subjects
    Yun Sun, Junfeng Han, Ziwei Lin, Lige Song, Chen Wang, Weiping Jia
    Journal of Diabetes and its Complications.2016; 30(8): 1537.     CrossRef
  • Postprandial Hyperglycemia
    Tae Jung Oh
    The Journal of Korean Diabetes.2016; 17(4): 233.     CrossRef
  • β-Cell Function and Insulin Sensitivity in Normal Glucose-Tolerant Subjects Stratified by 1-Hour Plasma Glucose Values
    Miranda M. Priya, Anandakumar Amutha, T.A. Pramodkumar, Harish Ranjani, Saravanan Jebarani, Kuppan Gokulakrishnan, Rajendra Pradeepa, Ranjit Unnikrishnan, Ranjit Mohan Anjana, Viswanathan Mohan
    Diabetes Technology & Therapeutics.2016; 18(1): 29.     CrossRef
  • Response: Normal Glucose Tolerance with a High 1-Hour Postload Plasma Glucose Level Exhibits Decreased β-Cell Function Similar to Impaired Glucose Tolerance (Diabetes Metab J2015;39:147-53)
    Tae Jung Oh, Se Hee Min, Chang Ho Ahn, Eun Ky Kim, Soo Heon Kwak, Hye Seung Jung, Kyong Soo Park, Young Min Cho
    Diabetes & Metabolism Journal.2015; 39(3): 270.     CrossRef
  • Letter: Normal Glucose Tolerance with a High 1-Hour Postload Plasma Glucose Level Exhibits Decreased β-Cell Function Similar to Impaired Glucose Tolerance (Diabetes Metab J2015;39:147-53)
    Hee Kyung Kim
    Diabetes & Metabolism Journal.2015; 39(3): 268.     CrossRef

Diabetes Metab J : Diabetes & Metabolism Journal