Does clinical decision support system promote expert consensus for appropriate imaging referrals? Chest–abdominal–pelvis CT as a case study

Insights into Imaging

Table 2 Correlation between pairs of physicians’ ratings, and between ESR score (two protocols: abdomen–pelvis, chest–abdomen–pelvis) and average physician rate before and after consulting the ESR iGuide

	Pearson correlation coefficient
	Before	After
Rad1–Rad2	0.216*	0.377**
Rad1–ED1	0.107	0.054
Rad1–ED2	0.163	0.386**
Rad2–ED1	0.187	0.209*
Rad2–ED2	0.057	0.410**
ED1–ED2	0.261*	0.320*
ESR AP–average 4 experts	0.2*	0.446**
ESR CAP–average 4 experts	0.086	0.197*

Rad1 radiologist 1, Rad2 radiologist 2, ED1 emergency department physician 1, ED2 emergency department physician 2, AP abdomen–pelvis, CAP chest–abdomen pelvis
*Statistically significant at the level of p = 0.05
**Statistically significant at the level of p = 0.0001