Vitamins vs Placebo: Composite of Pregnancy-associated Hypertension and Serious Adverse Outcomes in the Mother or Fetus or Neonate
Calculated by ConductScience from the counts the trial posted to ClinicalTrials.gov.
Measures 6
Calculated by ConductScience from the counts the trial posted to ClinicalTrials.gov.
| Measure | Value | 95% interval, lower | 95% interval, upper | Method | Note | Source |
|---|---|---|---|---|---|---|
| Risk in group 1 | 0.0611 | 0.0548 | 0.0681 | wilson | ClinicalTrials.gov | |
| Risk in group 2 | 0.0573 | 0.0512 | 0.0641 | wilson | ClinicalTrials.gov | |
| Risk difference, group 1 minus group 2 | 0.00381 | -0.00547 | 0.0131 | newcombe hybrid score | ClinicalTrials.gov | |
| Risk ratio, group 1 over group 2 | 1.07 | 0.912 | 1.25 | log | ClinicalTrials.gov | |
| Odds ratio, group 1 over group 2 | 1.07 | 0.907 | 1.26 | log | ClinicalTrials.gov | |
| Number needed to treat, for one more participant with the outcome on Vitamins than on Placebo | 262 | from the risk difference interval | the interval includes no difference | ClinicalTrials.gov |
Groups 2
Group 2 names the comparator: placebo.
| Group | Title | Description | With the outcome | Analysed | ClinicalTrials.gov code | Source |
|---|---|---|---|---|---|---|
| Group 1 | Vitamins | Vitamins C \& E | 305 | 4,993 | OG000 | ClinicalTrials.gov |
| Group 2 | Placebo | Mineral Oil, Hydrogenated Vegetable Oil, Lecithin, Yellow wax, Soft Gelatin Shell | 285 | 4,976 | OG001 | ClinicalTrials.gov |
Outcome 5
| Field | Value | Source |
|---|---|---|
| Type | PRIMARY | ClinicalTrials.gov |
| Title | Composite of Pregnancy-associated Hypertension and Serious Adverse Outcomes in the Mother or Fetus or Neonate | ClinicalTrials.gov |
| Description | Severe hypertension (blood pressure \[BP\]\>= 160/110) or mild hypertension (BP\>= 140/90) \>= 20 weeks gestation in conjunction with one of the following: elevated liver enzymes, thrombocytopenia, elevated serum creatinine levels, eclamptic seizure, an indicated preterm birth before 32 weeks of gestation owing to hypertension-related disorders, a fetus that was small for gestational age (below 3rd percentile) adjusted for sex and race or ethnic group, fetal death after 20 weeks of gestation, or neonatal death | ClinicalTrials.gov |
| Time frame | 20 weeks through discharge following delivery | ClinicalTrials.gov |
| Population | The analysis was intent to treat. | ClinicalTrials.gov |
Trial 8
| Field | Value | Source |
|---|---|---|
| Title | Combined Antioxidant and Preeclampsia Prediction Studies (CAPPS) | ClinicalTrials.gov |
| NCT number | NCT00135707 | ClinicalTrials.gov |
| Phases | PHASE3 | ClinicalTrials.gov |
| Conditions | Preeclampsia | ClinicalTrials.gov |
| Interventions | Dietary Supplement/Vitamins, Placebo for Vitamin C and Vitamin E | ClinicalTrials.gov |
| Lead sponsor | The George Washington University Biostatistics Center | ClinicalTrials.gov |
| Results first posted | 2018-11-20 | ClinicalTrials.gov |
| Results on ClinicalTrials.gov | https://clinicaltrials.gov/study/NCT00135707?tab=results | ClinicalTrials.gov |
Source 4
| Field | Value | Source |
|---|---|---|
| Release | trial-comparisons-2026-03-23-0.1.0 | ClinicalTrials.gov |
| Release manifest SHA-256 | f66225897fbf258b57ea10bdacfd0347d3cdfda93f7f5685234b7e06ea36fa57 | ClinicalTrials.gov |
| AACT copy | 2026-03-23 | ClinicalTrials.gov |
| 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 | ClinicalTrials.gov |
Release trial-comparisons-2026-03-23-0.1.0
ClinicalTrials.gov's posted results, through CTTI's AACT: ClinicalTrials.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.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.
ClinicalTrials.gov: none 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.