Comparison · NCT02067663-ebcf9c46
Mirena Group vs Paragard Group: Intrauterine Device Expulsion by 12 Weeks Postpartum
Calculated by ConductScience from the counts the trial posted to ClinicalTrials.gov.
2 sourcestrial-comparisons-2026-03-23-0.1.0
Cite this record
ConductScience Library. Mirena Group vs Paragard Group: Intrauterine Device Expulsion by 12 Weeks Postpartum. Trial comparisons, record NCT02067663-ebcf9c46. Release trial-comparisons-2026-03-23-0.1.0, 23 Mar 2026. https://conductscience.org/library/comparisons/NCT02067663-ebcf9c46
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Measures6
Calculated by ConductScience from the counts the trial posted to ClinicalTrials.gov.
| Measure | Value | 95% interval, lower | 95% interval, upper | Method | Note |
|---|---|---|---|---|---|
| Risk in group 1 | 0.382 | 0.265 | 0.514 | wilson | |
| Risk in group 2 | 0.195 | 0.102 | 0.34 | wilson | |
| Risk difference, group 1 minus group 2 | 0.187 | 0.000583 | 0.348 | newcombe hybrid score | |
| Risk ratio, group 1 over group 2 | 1.96 | 0.965 | 3.97 | log | |
| Odds ratio, group 1 over group 2 | 2.55 | 0.991 | 6.55 | log | |
| Number needed to treat, for one more participant with the outcome on Mirena Group than on Paragard Group | 5.36 | 2.87 | 1,720 | from the risk difference interval |
Source ClinicalTrials.gov
Groups2
Neither group, or both, names a comparator, so the groups keep ClinicalTrials.gov's order.
| Group | Title | Description | With the outcome | Analysed | ClinicalTrials.gov code |
|---|---|---|---|---|---|
| Group 1 | Mirena Group | Women who have a postplacental Mirena IUD placed. (LNG-IUS)~Mirena: The IUD will be placed as part of standard clinical care. | 21 | 55 | OG000 |
| Group 2 | Paragard Group | Women who have a postplacental Paragard IUD placed. (Copper IUD - T380A)~Paragard: The IUD will be placed as part of standard clinical care. | 8 | 41 | OG001 |
Source ClinicalTrials.gov
Outcome
- Type
- SECONDARY
- Title
- Intrauterine Device Expulsion by 12 Weeks Postpartum
- Description
- Position of the IUD within the uterus will be documented by ultrasound.
- Time frame
- 12 weeks
- Population
Source ClinicalTrials.gov
Trial
- Title
- Comparison of the Levonorgestrel IUD and the Copper IUD Placed in the Immediate Postplacental Period: A Prospective Cohort Study
- NCT number
- NCT02067663
- Phases
- Conditions
- Contraception
- Interventions
- Paragard, Mirena
- Lead sponsor
- University of Colorado, Denver
- Results first posted
- 2019-07-05
- Results on ClinicalTrials.gov
- https://clinicaltrials.gov/study/NCT02067663?tab=results
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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