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Tytuł pozycji:

Comparison of various steady state surrogate insulin resistance indices in diagnosing metabolic syndrome.

Tytuł :
Comparison of various steady state surrogate insulin resistance indices in diagnosing metabolic syndrome.
Autorzy :
Khan, Sikandar Hayat
Khan, Ali Nawaz
Chaudhry, Nayyer
Anwar, Roomana
Fazal, Nadeem
Tariq, Muhammad
Pokaż więcej
Temat :
INSULIN resistance
METABOLIC syndrome
RECEIVER operating characteristic curves
DIABETES
GLUCOSE clamp technique
Źródło :
Diabetology & Metabolic Syndrome; 6/14/2019, Vol. 11 Issue 1, pN.PAG-N.PAG, 1p, 5 Charts, 1 Graph
Czasopismo naukowe
Background: Insulin resistance is core cause of metabolic syndrome. Determining insulin resistance is one of the foremost requirements imperative to understanding the pathophysiology of disease. The gold standard "Euglycaemic clamp test" is cumbersome, long and non-feasible in routine clinical setups to diagnose metabolic syndrome. Various continuous and steady state insulin resistance indices are now available in literature. We plan to evaluate commonly utilized steady state insulin resistance indices directly and Homeostasis Model Assessment for Insulin Resistance (HOMAIR) with added triglyceride (HOMA-TG index). Methods: The cross-sectional study was carried from Jan-2016 to Dec-2018 at PNS HAFEEZ and department of chemical pathology, AFIP with following objectives: (1) To evaluate steady state insulin resistance markers for diagnosing metabolic syndrome as per IDF defined criteria by ROC curve analysis, (2) to measure Kendal Concordance between various insulin resistance indices and (3) to correlate steady state insulin resistance markers with anthropometric and lipid indices. After several exclusions we selected 224 subjects based upon "non-probability convenience sampling" for inclusion in study. Clinical history, anthropometric measures were calculated and sampling was done for insulin, glucose and other biochemical parameters. Metabolic syndrome was diagnosed as per IDF criteria, while HbA1c was utilized to diagnose diabetes mellitus. Pearson correlation was used to correlate various steady state insulin resistance indices including HOMAIR, HOMA2 index, QUICKI, G/I ratio, HOMA-TG index and serum insulin. AUC was calculated by ROC analysis for all surrogate insulin measures in diagnosis of metabolic syndrome. Results: "HOMA-TG index" has shown the highest AUC for diagnosing metabolic syndrome along with higher correlation with lipid markers and anthropometric indices in comparison to other steady-state insulin resistance markers. Furthermore, QUICKI and G/I ratio showed the lowest AUC for detection of metabolic syndrome. Conclusion: "HOMA-TG index" has shown highest AUC for metabolic syndrome diagnosis. However, QUICKI and G/I ration showed the lowest AUC for detection of metabolic syndrome. It is hoped that the potential "HOMA-TG index" may provide better diagnostic efficiency for diagnosing metabolic syndrome. [ABSTRACT FROM AUTHOR]
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