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. 2017 Feb 10;2016:570–579.

Table 4.

Results of ontological mapping

Map category Mappings (%) Reason of failure
Body part mismatch Missing approach Resection vs excision Operation mismatch ICD-10-PCS inconsistent Not classifiable
Correct 146 (40%) NA NA NA NA NA NA
Too specific 83 (23%) 83 0 0 0 0 0
Too broad 19 (5%) 0 19 0 0 0 0
Related 61 (17%) 15 0 25 17 2 2
Unrelated 53 (15%) 28 0 0 0 0 25
Total 362 (100%) 126 19 25 17 2 27