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. 2020 May 1;3(2):209–215. doi: 10.1093/jamiaopen/ooaa002

Table 4.

CTM misclassifications

Misclassification category Misclassifications detail Number of misclassifications per trial
1 2 3 4 5 6 7 8 9 10 All
Stage Failure to detect metastatic disease status for patient with non-metastatic primary staging but metastatic disease at screening 0 3 0 1 1 3 0 1 3 2 14
Failure to detect disease stage as not advanced/metastatic 0 0 0 2 0 4 3 0 2 6 17
Failure to detect absence of measurable disease 0 0 0 4 0 0 0 0 0 0 4
Detection of metastatic disease but failure to recognize as exclusion 0 0 0 0 0 13 0 0 0 0 13
Diagnosis Failure to recognize mutation status as exclusion criteria 0 3 0 0 0 0 0 0 0 0 3
Failure to recognize histology as exclusion criteria 0 0 0 0 0 1 0 0 0 0 1
Treatment Failure to consider prior therapy as part of exclusion criteria 0 0 0 0 0 0 1 2 2 0 5
Failure to consider timing of prior therapy as part of exclusion criteria 0 1 0 0 0 0 0 0 0 0 1
Failure to consider location of prior radiotherapy as part of exclusion criteria 0 0 0 0 0 0 18 0 0 0 18
Pathology Failure to apply correct logic relating to LFT in context of liver metastasis 0 0 0 0 2 0 0 0 0 0 2
Other Exclusion rules for sub-cohorts applied to overall study 0 0 0 0 0 1 0 0 0 0 1
Failure to recognize absence of progressive/recurrent disease 0 0 0 0 0 0 0 0 0 3 3

Abbreviations: CTM: clinical trial matching; LFT: liver function tests.