Comparison · NCT02067663-7917e44c
Mirena Group vs Paragard Group: Intrauterine Device Expulsion (6 Weeks)
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 (6 Weeks). Trial comparisons, record NCT02067663-7917e44c. Release trial-comparisons-2026-03-23-0.1.0, 23 Mar 2026. https://conductscience.org/library/comparisons/NCT02067663-7917e44c
On this page
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 | 0.321 | 0.214 | 0.452 | wilson | |
| Risk in group 2 | 0.133 | 0.0626 | 0.262 | wilson | |
| Risk difference, group 1 minus group 2 | 0.188 | 0.0207 | 0.336 | newcombe hybrid score | |
| Risk ratio, group 1 over group 2 | 2.41 | 1.04 | 5.56 | log | |
| Odds ratio, group 1 over group 2 | 3.08 | 1.1 | 8.59 | log | |
| Number needed to treat, for one more participant with the outcome on Mirena Group than on Paragard Group | 5.32 | 2.97 | 48.4 | 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. | 18 | 56 | 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. | 6 | 45 | OG001 |
Source ClinicalTrials.gov
Outcome
- Type
- SECONDARY
- Title
- Intrauterine Device Expulsion (6 Weeks)
- Description
- Number of expulsions. Position of the IUD within the uterus will be documented by ultrasound.
- Time frame
- 6 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.
For software
Read this comparison from software.
The record is JSON. No key.
GET https://conductscience.org/api/comparisons/v1/NCT02067663-7917e44c