Sex-based differences in the association between duration of type 2 diabetes and heart rate variability
Bibliographic record
Abstract
We examined the association between heart rate variability (HRV) and duration of type 2 diabetes among 155 female and 106 male subjects: mean+/-SD for duration=49.6+/-65.6 and 57.3+/-77.1 months, respectively, p=0.38. Among males, duration of diabetes was independently and inversely associated with vagal-heart rate modulation (high frequency (HF) power, 0.15-0.40 Hz, standardised ss = -0.32, p=0.001; root mean square of successive differences between R-R intervals, ss = -0.26, p=0.006) and total R-R variability (standard deviation of normal R-R intervals, ss = -0.36, p=0.001); but not among females (p> or =0.80 for each HRV index). In contrast, HF was inversely associated with age of diabetes diagnosis (ss = -0.16, p=0.04) and 10-year absolute risk for coronary heart disease (ss = -0.16, p=0.04) among female subjects. Longitudinal research is needed to establish whether risk factors for early cardiac autonomic impairment differ among men and women with type 2 diabetes.
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How this classification was reachedexpand
Full frame distilled prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. Learned from the 10,348 direct Codex labels and 10,348 direct Gemma labels. Candidate is the union of thresholded teacher heads; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels or direct frontier model labels.
Codex and Gemma teacher scores by category
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.008 | 0.002 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.000 | 0.000 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.000 | 0.000 |
| Insufficient payload (model declined to judge) | 0.000 | 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 teacher head, 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".