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. 2017 Dec 7;136(1):76–81. doi: 10.1001/jamaophthalmol.2017.5470

Table 4. Categorization of Types of Diagnostic Error in Patients Not Diagnosed as Having Optic Neuritis.

Type of Diagnostic Error Patients, No. (%) (n = 73)
Error in eliciting or interpreting critical elements of history 24 (33)
Failure to elicit critical piece of history 5 (7)
Inaccurate/misinterpreted history 2 (3)
Failure in weighing history 17 (23)
Error in weighing or interpreting physical examination findings 15 (21)
Failure to elicit critical examination finding 2 (3)
Inaccurate/misinterpreted examination 7 (10)
Failure in weighing examination findings 6 (8)
Error in diagnostic testing 11 (15)
Failure to order necessary test 2 (3)
Failure to perform necessary test 1 (1)
Error in laboratory or radiology read 6 (8)
Error in physician interpretation of test 2 (3)
Error in considering other diagnoses 23 (32)
Failure to consider diagnosis 6 (8)
Too much weight on optic neuritis diagnosis 4 (5)
Too little weight on alternative diagnosis 13 (18)
Total, No. 73