Article
Extended Data Table 5 | Discrepancies between the AI
system and human readers
Dataset Cancer type (^) readerAI cau mighssedt, ReaderAI mi caussedgh t,
UK
Invasive 31 20
In situ 7 12
Unknown 7 2
USA
ILC or IDC 83 37
DCIS 31 27
Other 7 5
Invasive cancer
grade (UK only)
AI caught,
reader missed
Reader caught,
AI missed
Grade 1 10 4
Grade 2 15 13
Grade 3 6 3
Invasive primary
tumour size (UK only)
AI caught,
reader missed
Reader caught,
AI missed
< 10mm 4 6
10 – 15mm 6 7
15 – 20mm 5 2
20 – 50mm 14 4
= 50mm 2 1
For the UK comparison, we used the first reader operating point (i) shown in Fig. 2a. For the US
comparison, we used the operating point shown in Fig. 2b. ILC, invasive lobular carcinoma;
IDC, invasive ductal carcinoma; DCIS, ductal carcinoma in situ.