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Comparison · NCT02168309-sae

Labetalol vs Nifedipine: serious adverse events

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

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

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ConductScience Library. Labetalol vs Nifedipine: serious adverse events. Trial comparisons, record NCT02168309-sae. Release trial-comparisons-2026-03-23-0.1.0, 23 Mar 2026. https://conductscience.org/library/comparisons/NCT02168309-sae

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Measures6

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

MeasureValue95% interval, lower95% interval, upperMethodNote
Risk in group 100.00000000000000001390.133wilson
Risk in group 200.00000000000000001390.133wilson
Risk difference, group 1 minus group 20-0.1330.133newcombe 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

Neither group, or both, names a comparator, so the groups keep ClinicalTrials.gov's order.

GroupTitleDescriptionWith the outcomeAnalysedClinicalTrials.gov code
Group 1LabetalolLabetalol 200mg PO BID starting dose~Labetalol: Titrate up for blood pressure control025EG000
Group 2NifedipineNifedpine XL starting at dose 30mg PO daily~Nifedipine: Titrate up to achieve blood pressure control025EG001

Harm

What it counts
Total, serious adverse events
Time frame

Source ClinicalTrials.gov

Trial

Title
Oral Nifedipine Versus Oral Labetalol
NCT number
NCT02168309
Phases
NA
Conditions
Severe Postpartum Hypertension
Interventions
Labetalol, Nifedipine
Lead sponsor
Cedars-Sinai Medical Center
Results first posted
2017-12-13

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.

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