Table 1.

Summary of CXR interpretation score by grade and formal training.

	Frequency	Overall participants' score (out of 10)
		No clinical history		Clinical history
		Median	IQR	Median	IQR
Grade
Resident	10	4.0	3–5	7.5	5–9
Medical officer	18	4.0	3-4	7.0	6–8
House officer	33	4.0	3-4	7.0	6–8
Medical student	38	3.0	2–4	5.5	5–7
Total	99	4.0	3-4	7.0	5–8
Kruskal–Wallis test		X 2 = 6.647, p=0.084		X 2 = 12.448, p=0.006
Formal training
Yes	62	3.0	3-4	7.0	5–8
No	37	4.0	3–5	6.0	6–8
Total	99	4.0	3-4	7.0	5–8
Wilcoxon rank-sum test		Z = −1.322, p=0.186		Z = −0.024, p=0.981

IQR, interquartile range.