Quantitative Variable Distribution Study Results Part IV: SSDQA Comparison


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dc.contributor.authorWieand, Kaleigh
dc.contributor.otherPEDSnet Data Coordinating Center
dc.date.accessioned2026-02-26T14:13:07Z
dc.date.created2026-02-05
dc.description- The distributions here are impacted by low population as evidenced in the Expected Variables Present results, with some sites having limited distributions due to limited population. - Stanford has an unusually broad range of quantity values when compared to the rest of the network. These values are likely implausible and will require further investigation. - Days supply & refills both have high variability amongst sites, but the ranges for sites where those fields are well populated are generally within the expected range.
dc.description.abstractThe results of a Quantitative Variable Distribution check using the Multi-Site, Exploratory, Cross-Sectional parameters. This check investigates the value distributions of drug metadata fields (days_supply, refills, quantity) relating to hydroxyurea drug exposures.
dc.identifier.urihttps://hdl.handle.net/20.500.14642/1541
dc.identifier.urihttps://doi.org/10.24373/pdsp-500
dc.publisherPEDSnet
dc.rightsa CC-BY Attribution 4.0 license.
dc.rights.urihttps://creativecommons.org/licenses/by/4.0/
dc.subjectEvent-Level Analysis
dc.subjectCross-Sectional Analysis
dc.subjectMulti-Site Analysis
dc.subjectExploratory Analysis
dc.subject.meshAnemia, Sickle Cell
dc.subject.meshHydroxyurea
dc.titleQuantitative Variable Distribution Study Results Part IV: SSDQA Comparison
dc.typestudy
dspace.entity.typeDQResult
local.admin.notev57
local.description.outcomesGiven the variability and implausibility of values in these distributions, we will instead opt to rely on drug exposure start & end dates to establish drug exposure windows for the analysis. More DQ investigation will be done to investigate Stanford's quantity values.
local.dqcheck.outcomesAdditional DQ Investigation
local.dqcheck.outcomesStudy Methods Revised
local.dqcheck.resultobsDisparate Site Behavior
local.dqcheck.resultobsUnexpected Output
local.subject.DataProvPEDSnet Data Source
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