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Comparison · NCT00502944-b13e0bb7

Counselor vs Provider: Test Offer Rate

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. Counselor vs Provider: Test Offer Rate. Trial comparisons, record NCT00502944-b13e0bb7. Release trial-comparisons-2026-03-23-0.1.0, 23 Mar 2026. https://conductscience.org/library/comparisons/NCT00502944-b13e0bb7

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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 10.8010.7850.816wilson
Risk in group 20.3570.3390.377wilson
Risk difference, group 1 minus group 20.4430.4180.468newcombe hybrid score
Risk ratio, group 1 over group 22.242.122.37log
Odds ratio, group 1 over group 27.236.358.23log
Number needed to treat, for one more participant with the outcome on Counselor than on Provider2.252.142.39from the risk difference interval

Groups2

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

GroupTitleDescriptionWith the outcomeAnalysedClinicalTrials.gov code
Group 1CounselorCounselor-based HIV screening intervention where a dedicated HIV counselor does all the screening.1,9592,446OG000
Group 2ProviderEmergency staff member-based HIV screening intervention where an emergency staff member does all the screening.8612,409OG001

Outcome

Type
OTHER_PRE_SPECIFIED
Title
Test Offer Rate
Description
The offer rate of the HIV test was defined as the proportion of enrolled study participants who were actually offered a test.
Time frame
Assess on day subject enrolled into the study
Population

Source ClinicalTrials.gov

Trial

Title
Two Approaches to Routine HIV Testing in a Hospital Emergency Department
NCT number
NCT00502944
Phases
NA
Conditions
HIV Infections
Interventions
Counselor-based HIV screening, Emergency staff member-based HIV screening
Lead sponsor
Massachusetts General Hospital
Results first posted
2012-07-13

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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