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- Table 1:
Five-point scale used in scoring discrepancies between the original report and the second opinion reading of a study
Point Scale Verbal Descriptor 1 No change 2 Detection discrepancy, not clinically significant 3 Interpretation discrepancy, not clinically significant 4 Detection discrepancy, clinically significant 5 Interpretation discrepancy, clinically significant Score No. of Studies % Total 1 876 87.6 2 75 7.5 3 29 2.9 4 14 1.4 5 6 0.6 1, 2, and 3 980 98.0 4 and 5 20 2.0 Total 1000 100.0 Discrepancy Category Discrepancy Score (4 or 5) Imaging Study Type Vasculara 5 MR brain Vasculara 4 CT angiogram Vasculara 4 MR brain Vasculara 4 MR brain Vasculara 4 MR brain Vasculara 4 MR brain Vasculara 4 MR venogram Congenital 5 CT brain Congenital 5 CT brain Neoplasmb 5 CT brain Neoplasmb 5 MR brain Neoplasmb 5 MR brain Neoplasmb 4 CT brain Neoplasmb 4 CT brain Neoplasmb 4 MR brain Neoplasmb 4 MR brain Neoplasmb 4 MR neck Neoplasmb 4 MR spine Artifacts 5 CT brain Artifacts 4 CT brain Reviewer Total Studies Read Scores of 4 and 5 Discrepancy Rate A 26 2 7.7% B 16 1 6.3% C 22 1 4.5% D 45 2 4.4% E 49 2 4.1% F 59 2 3.4% G 60 2 3.3% H 111 3 2.7% I 58 1 1.7% J 68 1 1.5% K 69 1 1.4% L 114 1 0.9% M 144 1 0.7% N 4 0 0.0% O 84 0 0.0% P 65 0 0.0% Q 2 0 0.0% R 4 0 0.0%
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