Comparative Effectiveness Studies Registered in ClinicalTrials.gov.
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https://figshare.com/articles/dataset/_Comparative_Effectiveness_Studies_Registered_in_ClinicalTrials_gov_/364773
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Abbreviations: IQR, interquartile range.
aP<0.001 for chi-square and Kruskal-Wallis tests for categorical and median values, respectively.
bPhase data applies to 637 drug and device trials.
cP = 0.02 for chi-square.
dRandomization applies to 610 trails with an active comparator or placebo control.
eSample size data available for 1025 trials.
fStudy length available for 860 trials.
创建时间：
2012-01-09
