Table 2.

Statements Used to Describe Confidence in Diagnosis Using Quick Medical Reference (QMR)

Assigned Value	Descriptive Statement
5	Very easy; I felt confident in my differential and did not need to use QMR for assistance.
4	Pretty easy; I used QMR mainly to confirm my thinking.
3	Somewhat difficult, but I feel confident in my final differential diagnosis.
2	Pretty difficult; I would like a subspecialist to confirm my thinking.
1	Extremely difficult; I still feel I need a subspecialist for assistance.
Note: The descriptive statements were given to subjects without the numeric values.