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Comparison · NCT02991937-sae

Medical Therapy vs Surgical Intervention: 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. Medical Therapy vs Surgical Intervention: serious adverse events. Trial comparisons, record NCT02991937-sae. Release trial-comparisons-2026-03-23-0.1.0, 23 Mar 2026. https://conductscience.org/library/comparisons/NCT02991937-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 1000.161wilson
Risk in group 2000.168wilson
Risk difference, group 1 minus group 20-0.1680.161newcombe 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 1Medical Therapy
Subjects in the medical therapy arm will be treated with piperacillin/tazobactam for at least 24 hours. Ciprofloxacin/metronidazole will be used in penicillin-allergic patients. Subjects will be maintained on nothing by mouth with intravenous fluids for at least 12 hours. Subjects will be transitioned to oral antibiotics when their WBC is normal, they have a decrease in CRP by ≥ 15%, and they have been afebrile for 24 hours on IV antibiotics.~Piperacillin/Tazobactam: 24 hours of IV antibiotic administration
020EG000
Group 2Surgical Intervention
Subjects in the surgical treatment arm will receive intravenous antibiotics until the time of operation, and will be maintained on intravenous fluids and no oral intake until they undergo appendectomy as per standard of care. Appendectomy will occur within 24 hours of enrollment. Subjects in the surgical treatment arm will receive post-operative antibiotics as per standard of care.~Piperacillin/Tazobactam: 24 hours of IV antibiotic administration~Surgical Treatment: Appendectomy
019EG001

Harm

What it counts
Total, serious adverse events
Time frame
1 year

Source ClinicalTrials.gov

Trial

Title
Comparison of Medical and Surgical Treatment of Uncomplicated Acute Appendicitis in Children
NCT number
NCT02991937
Phases
PHASE4
Conditions
Appendicitis
Interventions
Piperacillin/Tazobactam, Surgical Treatment
Lead sponsor
NYU Langone Health
Results first posted
2022-01-21

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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