Pulse Pressure Responses in Patients Treated with Valsartan and Hydrochlorothiazide Combination Therapy
Bibliographic record
Abstract
In a randomized, double-blind, parallel-group study of middle-aged and elderly patients, we examined the effects of treatment with the angiotensin receptor blocker valsartan (Val) in combination with hydrochlorothiazide (HCTZ) on pulse pressure (PP). After a 2-week washout period, patients entered a 4-week single-blind Val 160 mg once daily run-in period before randomization to one of three treatment groups: Val 160 mg (n = 666), Val 160 mg/HCTZ 12.5 mg (n = 670) or Val 160 mg/HCTZ 25 mg (n = 666), once daily for eight weeks. Sitting PP at baseline was similar in all groups. From baseline to randomization, Val monotherapy reduced PP by 4.7 +/- 10.2 mmHg (mean +/- SD). At the end of the study, overall reductions in PP were 6.7 mmHg for Val 160/HCTZ 12.5 and 7.5 mmHg for Val 160/HCTZ 25. Val monotherapy reduced PP in mild-to-moderate hypertensive patients. Val combined with HCTZ provides an additional dose-related reduction in PP.
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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 | 0.002 | 0.005 |
| 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 | 0.001 |
| 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".