Table 2.

ChatGPT and Isabel’s Accuracy in Capturing Correct Diagnoses When Excluding Versus Including Partially Correct Diagnoses, Within the Top 10, Top 3, and Top 1 Differential^∗

Accuracy Measurement	Excluding Partially Correct Diagnoses		Including Partially Correct Diagnoses
	Isabel	ChatGPT	Isabel	ChatGPT
Top 1 accuracy (%)	3/16 (19%)∗	9/16 (56%)∗	5/16 (31%)	9/16 (56%)
Top 3 accuracy (%)	5/16 (31%)∗	12/16 (75%)∗	10/16 (63%)	12/16 (75%)
Top 10 accuracy (%)	7/16 (44%)∗	14/16 (88%)∗	12/16 (75%)	15/16 (94%)
Median rank of diagnosis (IQR)	2 (IQR = 3)	1 (IQR = 1)	1.5 (IQR = 2)	1 (IQR = 2)

Median rank of the diagnosis within the differential list is reported with an IQR.

^∗P < .05.