Article Figures & Data
Tables
AJNR 2011 Radiology 2011 Issues (No.) 11 12 ORAs (No.) 302 343 ORAs per issue (mean) 27.5 28.6 ORAs per issue (SD) 2.73 1.31 With >15% duplication (No.) 54 12 With >15% duplication (% of total) 17.9 3.5 With >15% duplication from a single source (No.) 12 2 With >15% duplication from a single source (% of total ORAs) 4 0.6 With >15% duplication from a single source (significant) (No.) 2 1 With >15% duplication from a single source (significant) (% of total ORAs) 0.7 0.3 - Table 2:
Results of the Mann-Whitney U test to compare the difference between total significant (>15%) single-source duplications of ORAs in AJNR and Radiology in 2011
Group No. Rank Average Sum of Ranks U Z P AJNR 2011 11 12.59 138.5 59.5 0.61 .545 Radiology 2011 12 11.46 137.5 Note:—U indicates the Mann-Whitney U test.
Cost Estimate Variable Cost Annual iThenticate subscription fee $550.00 Annual iThenticate administrative fee $110.00 Total annual fixed cost to use iThenticate ($550.00 subscription fee + $110.00 administrative fee) $660.00 iThenticate cost per analyzed manuscript $0.75 Hourly rate of AJNR administrative staff $25.64 Average time to submit manuscript to iThenticate (min) 10 Average staff cost to submit manuscript to iThenticate $4.27 Total variable cost to submit a single manuscript to iThenticate ($0.75 cost per article + $4.27 AJNR staff time cost per manuscript) $5.02 Number of AJNR issues per year 12 Current No. of SORMSRs analyzed by iThenticate per issue 3 Total current annual cost to use iThenticate ($660.00 annual fixed cost + [$5.02 time cost/manuscript × 3 manuscripts/issue × 12 issues/year]) $840.72 Total current cost per issue to use iThenticate ($840.72 per year/12 issues) $70.06 Average No. of SORMSRs per issue 102 Total potential annual cost to use iThenticate to analyze all SORMSRs ($660.00 annual fixed cost + [$5.02 time cost/manuscript × 102 manuscripts/issue × 12 issues/year]) $6804.48 Total potential cost per issue to use iThenticate to analyze all SORMSRs ($6804.48 per year/12 issues) $567.04 Additional potential annual cost to use iThenticate for all SORMSRs ($6804.48 annual cost of iThenticate for all SORMSRs, $840.72 annual cost of iThenticate for 3 SORMSRs/issue) $5963.76