Table 2.

Distribution of selected variables across six modules, after excluding those variables for various reasons

	Selected		Excluded Reasons
	Variables	Text-based	Too few	Extreme	Other
Pathology	20	12	0	4	2
radio/chemo therapy	7	1	0	0	1
clinical examination	42	4	1	3	1
medical image	18	14	7	8	4
Surgery	15	2	0	6	2
General patients information	25	4	10	2	2
Total	127	37	18	23	12