Table 2.

Univariate Analysis for Overall Survival in Pancreatic Ductal Adenocarcinoma Tissue Microarray

Variable	No. of Patients Who Died	Total No. of Patients	Hazard Ratio (95% CI)	P
HOXB7 expression
Low	67	90	1.00	.01
High	48	55	1.63 (1.12–2.36)
Age, y
≤60	40	49	1.00	.89
>60	75	96	1.03 (0.70–1.51)
Sex
Female	60	70	1.00	.11
Male	55	75	0.74 (0.52–1.07)
Greatest tumor dimension
<3 cm	65	87	1.00	.14
≥3 cm	50	58	1.33 (0.92–1.92)
Histologic grade
Well + moderate	60	83	1.00	.001
Poor	55	62	1.88 (1.30–2.74)
pT-stage
pT1	23	26	1.00	.52
pT2 + pT3	92	119	0.86 (0.55–1.36)
N-stage
N0	50	69	1.00	.002
N1	65	76	1.80 (1.24–2.60)
AJCC stage
Stage I	28	40	1.00	.02
Stage II	87	105	1.67 (1.09–2.55)
Margin status
Negative (R0)	102	126	1.00	.53
Positive (R1)	13	18	1.21 (0.68–2.15)

Abbreviations: AJCC, American Joint Commission on Cancer; CI, confidence interval.