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Figure 3. PRISMA flow chart. Studies Identified By Database and Registry Searches (N=1,775 ). Studies Identified By Conference Proceedings, Contacting Experts and Bibliographies (N=3). Titles and Abstracts Retrieved For Initial Review (N=1,778). Excluded if not a clinical trial
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Figure 3. PRISMA flow chart Studies Identified By Database and Registry Searches (N=1,775) Studies Identified By Conference Proceedings, Contacting Experts and Bibliographies (N=3) Titles and Abstracts Retrieved For Initial Review (N=1,778) Excluded if not a clinical trial comparing dynamic ultrasound guidance with traditional method for PIV (N=1,729) Complete Publication of Potentially Eligible Randomized Controlled Trials Reviewed (N=50) • Excluded (N=44) For Following Reasons: • Not a randomized controlled trial (N=29) • Main Outcome Not Reported (N=2) • Did not compare US to traditional (N=13) Randomized Controlled Trials Included in Systematic Review (N=6)