DIALYSIS. EPIDEMIOLOGY, OUTCOME RESEARCH, HEALTH SERVICES 1
Why this work is in the frame
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Bibliographic record
Abstract
Introduction and Aims: Although some guidelines recommend salt restriction, few studies have examined the association between salt restriction and clinical outcomes in hemodialysis (HD) patients. Methods: We conducted a retrospective cohort study of 88,115 adult patients enrolled in the Japanese Society for Dialysis Therapy (JSDT) registry ( The primary outcome measure was all-cause mortality at one year, and the secondary outcome was cardiovascular (CV) mortality. Estimated salt intake was the main predictor, and was calculated from interdialytic weight gain and pre-and postdialysis serum sodium levels according to the validated method of Kimura and Ramdeen. Nonlinear logistic regression was used to determine the association of salt intake with mortality, adjusting for age, gender, body mass index, vintage of HD, dialysis time, Kt/V, protein catabolic rate normalized to body weight, comorbid conditions, type of vascular access, serum potassium, phosphate, calcium, CRP level, and endotoxin level in dialysate. Cubic splines were plotted and the reference was median salt intake. Salt consumption was categorized by intake levels of 2 g per day and the association with mortality examined. Results: Median [25th-75th percentile] salt intake at baseline was 6.4 [4.6-8.3] g per day. At one year, all-cause mortality occurred in 1,845 (2.1%) patients, including cardiovascular mortality in 821 (0.9%). We observed an association between low salt intake and clinical outcomes (all-cause and CV mortality) (Fig. We observed the highest all-cause mortality in the low salt group (<6g/day) (Fig. Further, we observed similar associations between salt intake and CV mortality. Conclusions: Low salt intake is associated with all-cause and CV mortality. These findings do not support current clinical guidelines, which recommend restricting salt intake to less than 6g per day.
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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 | 0.006 | 0.000 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.001 | 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 it