Table 1.

The clinical information of validation samples

Index	Classification	Case number	Percentage (%)	Index	Classification	Case number	Percentage (%)
Sex	male	37	69.80	Tumor differentiation status	high	1	1.89
	female	16	30.20		medium	34	64.20
Age	<  60	24	45.28		low	12	22.61
	≥ 60	28	52.83		None	6	11.30
	None	1	1.90	Hypertension	Yes	20	37.70
Tumor stage	I-II	15	28.30		No	31	58.50
	III-IV	36	67.90		None	2	3.80
	None	2	3.80	Diabetes	Yes	5	9.40
Primary diagnosis	Mucinous adenocarcinoma	7	13.20		No	46	86.80
	Other adenocarcinoma	44	83.00		None	2	3.80
	None	2	3.80	Coronary heart disease	Yes	6	11.30
KPS score	80	3	5.70		No	45	84.90
	90	23	43.40		None	2	3.80
	95	12	22.60	Other diseases	Yes	15	28.30
	None	15	28.30		No	36	67.90
Drinking habit	Yes	30	56.60		None	2	3.80
	NO	12	22.60	Therapeutic method	Neoadjuvant chemotherapy + Operation	4	5.70
	None	11	20.80		Operation only	24	45.30
Smoking habit	Yes	24	45.30		Operation + chemotherapy	23	43.40
	NO	23	43.40		Neoadjuvant chemotherapy+Operation+Targeting	2	3.80
	None	6	11.30	OS	<  1 year	17	32.08
Tumor size	<  5 cm	23	43.40		1–3 years	16	30.19
	≥ 5 cm	26	49.10		≥ 3 years	5	9.43
	None	4	7.50		None	5	9.43

OS, survival time; None indicated unclear or unknown