Aortic Stiffness in Prediabetic Adults: Relationship to Insulin Resistance
Bibliographic record
Abstract
BACKGROUND: A decrease in the compliance of the arterial system, termed arterial stiffness, results in increased cardiac workload. Several studies have shown that arterial stiffness is increased in individuals with type 2 diabetes. Also, insulin resistance is generally considered to be of major importance in the pathophysiology of type 2 diabetes mellitus given that glucose intolerance and insulin resistance precede the development of overt diabetes, these factors would be associated with arterial stiffness. This study was to evaluate the state of aortic elasticity in prediabetic adults in relation to insulin resistance. METHODS: A case-control study was performed. A total of 113 consecutive adults with prediabetes were enrolled for the study, 32 adults had insulin resistance (group A) and 81 had insulin sensitive (group B). Forty-five healthy (with normal fasting glucose) adults matched for age and gender were considered as control. All were subjected to full medical history and clinical examination including blood pressure and body mass index. Biochemical studies including lipids profile, fasting glucose and homeostasis model assessment of insulin resistance (HOMA IR) test. Echocardiographic studies were done for assessment of the aortic stiffness index. RESULTS: Significant increase in mean aortic stiffness index was seen in group A than group B. Stiffness was correlated with insulin resistance and the correlation appeared to be independent of glucose tolerance status and obesity. Similar correlations were observed with age, triglycerides and waist circumference. CONCLUSIONS: Prediabetic subjects have an aortic stiffness which represent pattern of cardiovascular risk factors. These changes are predominantly observed in prediabetic subjects with increased HOMA IR and visceral obesity independent of glucose levels. KEYWORDS: Prediabetes; Insulin resistance; Aortic stiffness index.
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How this classification was reachedexpand
Full frame machine prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. The Gemma side is a direct model label for every work in the frame, read from the title-only record. The Codex side is a classifier learned from the 10,348 direct Codex labels and calibrated to design-weighted sample rates; fields without enough sample support carry no Codex call. Candidate is the union of the two sides; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels.
Distilled classifier scores by category (both heads)
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.000 | 0.002 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.001 | 0.001 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.001 | 0.001 |
| Insufficient payload (model declined to judge) | 0.002 | 0.000 |
Machine scores (provisional)
The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.
Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.
score_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from itClassification
machine, unvalidatedMachine predicted; a candidate call from one source (direct Gemma or distilled Codex), not a consensus.
How this classification was reached, model by model and score by score, is at the end of the page under "How this classification was reached".