Identification of Prognostic Immune-Related Genes in Pancreatic Adenocarcinoma and Establishment of a Prognostic Nomogram: A Bioinformatic Study

Table 1

Clinical and pathologic characteristics of PAAD patients and prognostic analysis.

Variables	Events	Total ()	MST (days)	HR (95% CI)	value
Age (years)					0.344
≤60	22	45	593	1
>60	56	97	568	1.270 (0.774-2.086)
Gender					0.441
Female	40	67	532	1
Male	38	75	614	0.838 (0.536-1.312)
Alcohol history^a					0.742
No	27	49	532	1
Yes	43	81	598	1.084 (0.670-1.756)
Tumor stage^b					0.660
I	5	13	598	1
II	70	122	568	1.292 (0.519-3.221)
III + IV	3	6	545	1.086 (0.252-4.667)
Histologic grade^c					0.140
G1	8	19	627	1
G2	44	82	603	1.425 (0.648-3.135)
G3 + G4	26	40	473	1.632 (0.734-3.628)
Radical resection^d					0.014
R0	43	81	627	1
R1 + R2 + RX	32	53	394	1.812 (1.126-2.916)
Risk score					0.009
Low	33	71	691	1
High	45	71	486	1.852 (1.165-2.944)

Abbreviations: PAAD: pancreatic adenocarcinoma; MST: media survival time; HR: hazard ratio; CI: confidence interval.
Notes: ^aInfomation of alcohol history were not acquired in 12 patients; ^binfomation of tumor stage were not acquired in 1 patient; ^cinfomation of histologic grade were not acquired in 1 patient; ^dinfomation of radical resection were not acquired in 8 patients.