Table 5.

Test scores, stratified by specialty

Specialty
Score (Percentage of correct answers)	Overall, N = 124a	EM, N = 10a	Ob/Gyn, N = 6a	Radiology, N = 108a	p-valueb	Post-hoc p-valuec	Post-hoc q-valued
Total score (% of 18 questions)	69.4% [61.1 − 77.8%]	61.1% [55.6 − 70.8%]	61.1% [61.1 − 69.4%]	72.2% [61.1 − 77.8%]	0.049	Radiology vs. Ob/Gyn: 0.151 Radiology vs. EM: 0.037 EM vs. Ob/Gyn: 0.867	Radiology vs. Ob/Gyn: 0.226 Radiology vs. EM: 0.111 EM vs. Ob/Gyn: 0.867
General knowledge (% of 5 questions)	80.0% [60.0 − 80.0%]	60.0% [45.0 − 75.0%]	80.0% [65.0 − 80.0%]	80.0% [60.0 − 80.0%]	0.14	NA	NA
Clinical decision making (% of 13 questions)	69.2% [59.6 − 76.9%]	61.5% [55.8 − 69.2%]	57.7% [53.8 − 67.3%]	69.2% [61.5 − 76.9%]	0.059	NA	NA
GI imaging (% of 4 questions)	75.0% [50.0 − 75.0%]	50.0% [50.0% − 50.0%]	50.0% [31.3 − 68.8%]	75.0% [50.0 − 75.0%]	0.012	Radiology vs. Ob/Gyn: 0.137 Radiology vs. EM: 0.007 EM vs. Ob/Gyn: 0.608	Radiology vs. Ob/Gyn: 0.207 Radiology vs. EM: 0.022 EM vs. Ob/Gyn: 0.608
Trauma imaging (% of 3 questions)	66.7% [66.7% − 66.7%]	66.7% [66.7% − 66.7%]	66.7% [66.7% − 66.7%]	66.7% [66.7% − 66.7%]	0.6	NA	NA
Neuroradiology (% of 3 questions)	66.7% [33.3 − 66.7%]	66.7% [66.7% − 66.7%]	50.0% [33.3 − 66.7%]	66.7% [33.3 − 66.7%]	0.3	NA	NA
Cardiopulmonary imaging (% of 3 questions)	66.7% [66.7 − 100.0%]	66.7% [66.7 − 91.7%]	66.7% [66.7% − 66.7%]	66.7% [66.7 − 100.0%]	0.3	NA	NA

a: Median score% [25 − 75%]

b: Kruskal-Wallis rank sum test

c: Dunn’s post-hoc test

d: False Discovery Rate corrected

EM: Emergency medicine; GI: Gastrointestinal; IQR: Inter-quartile range; Ob/Gyn: Obstetrics and gynecology

D-RAD: Diagnostic radiology; E-RAD: Emergency radiology; GI: Gastrointestinal; IQR: Inter-quartile range; I-RAD: Interventional radiology; N-RAD: Neuroradiology