ConductScience.org, home

Comparison · NCT00948298-deaths

Vitamin D vs Placebo: deaths from any cause

Calculated by ConductScience from the counts the trial posted to ClinicalTrials.gov.

2 sourcestrial-comparisons-2026-03-23-0.1.0

Download JSON
Cite this record

ConductScience Library. Vitamin D vs Placebo: deaths from any cause. Trial comparisons, record NCT00948298-deaths. Release trial-comparisons-2026-03-23-0.1.0, 23 Mar 2026. https://conductscience.org/library/comparisons/NCT00948298-deaths

On this page

Measures6

Calculated by ConductScience from the counts the trial posted to ClinicalTrials.gov.

MeasureValue95% interval, lower95% interval, upperMethodNote
Risk in group 1000.0558wilson
Risk in group 2000.0558wilson
Risk difference, group 1 minus group 20-0.05580.0558newcombe hybrid score
Risk ratio, group 1 over group 2loga group has no participants with the outcome
Odds ratio, group 1 over group 2loga cell of the two-by-two table is zero
Number needed to harmfrom the risk difference intervalthe two groups' risks are equal

Groups2

Group 2 names the comparator: placebo.

GroupTitleDescriptionWith the outcomeAnalysedClinicalTrials.gov code
Group 1Vitamin DTwo 50,000 IU tablets of oral Vitamin D3 will be given every 4 weeks.065EG001
Group 2PlaceboTwo tablets of oral placebo (microcrystalline cellulose), matching in appearance to the Vitamin D3, will be given every 4 weeks.065EG000

Harm

What it counts
Total, all-cause mortality
Time frame
12 Weeks

Source ClinicalTrials.gov

Trial

Title
Effect of Vitamin D3 on Vascular Function
NCT number
NCT00948298
Phases
NA
Conditions
Vitamin D Deficiency
Interventions
Vitamin D, Placebo
Lead sponsor
Charles Drew University of Medicine and Science
Results first posted
2018-07-17

Source ClinicalTrials.gov

Source

Release
trial-comparisons-2026-03-23-0.1.0
Release manifest SHA-256
f66225897fbf258b57ea10bdacfd0347d3cdfda93f7f5685234b7e06ea36fa57
AACT copy
2026-03-23
Tables read
outcome_counts.parquet, outcome_measurements.parquet, outcomes.parquet, reported_event_totals.parquet, reported_events.parquet, result_groups.parquet, studies.parquet, ctgov_trial.parquet

Source ClinicalTrials.gov

Sources 2

  • ClinicalTrials.gov's posted results, through CTTI's AACTFreely available. Acknowledgement requested
  • ClinicalTrials.govNo license stated
Each source's terms
  • ClinicalTrials.gov's posted results, through CTTI's AACTClinicalTrials.gov data via Aggregate Analysis of ClinicalTrials.gov (AACT), CTTI. CTTI makes its materials freely available and requests acknowledgement. https://aact.ctti-clinicaltrials.org/documentation/299
  • ClinicalTrials.govnone stated

ClinicalTrials.gov's data carry an international copyright outside the United States: https://clinicaltrials.gov/about-site/terms-conditions. The measures are ConductScience's calculation from them.

For software

Read this comparison from software.

The record is JSON. No key.

GET https://conductscience.org/api/comparisons/v1/NCT00948298-deaths