Table 1.

Characteristics of the public datasets used in the study

		ICGC-PACA-AU [33]	TCGA-PAAD [18]	CPTAC-PDAC [35]
Total (n)a		81	150	137
Stage	I	6	13	4
	II	70	128	76
	III	1	4	36
	IV	4	4	7
Tumour grade	G1	1	20	9
	G2	45	85	97
	G3	31	42	30
	G4	2	1	1
Detection platform		Illumina HiSeq 2000	Illumina HiSeq 2000/2500	Illumina HiSeq (RNAseq) Thermo EASY-nLC 1200 UHPLC System (mass-spectrometry)

^aCases included in the analysis