High JAK2 Protein Expression Predicts a Poor Prognosis in Patients with Resectable Pancreatic Ductal Adenocarcinoma

Table 1

Baseline characteristics of evaluable patients ().

Characteristics	No. of cases	JAK expression		value
		Low	High
Gender
Men	38 (61.3)	22	16	0.773
Women	24 (38.7)	13	11
Age (years)
≥60	28 (45.2)	16	12	0.921
<60	34 (54.8)	19	15
Location
Head	30 (48.4)	19	11	0.289
Body/tail	32 (51.6)	16	16
Maximum tumor diameter (cm)
<4	31 (50.0)	17	14	0.797
≥4	31 (50.0)	18	13
CA19-9 (U/mL)
<37	13 (21.0)	4	9	0.035
≥37	49 (72.0)	31	18
Differentiation
Well/moderate	50 (80.6)	27	23	0.426
Poor	12 (19.4)	8	4
pT category
pT1+pT2	34 (54.8)	17	17	0.258
pT3+pT4	28 (45.2)	18	10
pN category
pN0	35 (56.5)	22	13	0.001
pN1	27 (43.5)	6	21
Circumferential resection margin
R0	46 (74.2)	27	19	0.545
R1	16 (25.8)	8	8
Neural invasion
Yes	23 (37.1)	13	10	0.993
No	39 (62.9)	22	17
Vascular invasion
Yes	16 (25.8)	11	5	0.249
No	46 (74.2)	24	22