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Table 5 Likert scale scores (n = 110 eligible patients)

From: Dual-energy contrast-enhanced digital mammography: initial clinical results of a multireader, multicase study

Reader MX ± US better MX ± US slightly better Similar MX ± CEDM slightly better MX ± CEDM better
1 6 (5) 10 (9) 39 (35) 24 (22) 31 (28)
2 11 (10) 15 (14) 51 (46) 16 (15) 17 (15)
3 3 (3) 20 (18) 56 (51) 25 (23) 6 (5)
4 5 (5) 10 (9) 47 (43) 26 (24) 22 (20)
5 19 (17) 10 (9) 45 (41) 25 (23) 11 (10)
6 8 (7) 12 (11) 48 (44) 24 (22) 18 (16)
Overall 8.7 (7.9) 12.8 (11.7) 47.7 (43.3) 23.3 (21.2) 17.5 (15.9)
Average MX ± CEDM similar, slightly better, or better   80.5%  
95% CIa   74.5% to 86.5%  
  1. Values are presented as number (percentage by row). a95% confidence interval (CI) obtained from a Student t distribution with 18.9 degrees of freedom (Hillis, 2007 [29]). BI-RADS, Breast Imaging, Reporting and Data System; CEDM, contrast-enhanced digital mammography; MX, mammography; US, ultrasonography.
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