Table 2.

Overall survival and clinicopathological variables in 85 patients with PDAC

Variables	Hazard ratio (95% CI)	p-value
Univariate analysis
Age (< 65 vs ≥65)	0.98 (0.59–1.62)	.94
Gender (male vs. female)	1.13 (0.68–1.88)	.65
Tumor size (<  2 cm vs. ≥ 2 cm)	2.11 (1.07–4.16)	.03
Stage (I/II vs. III/IV)	0.74 (0.44–1.26)	.28
Grade (low vs. high)	1.84 (1.11–3.05)	.02
PNI	1.18 (0.70–2.01)	.54
LVI	1.46 (0.90–2.40)	.13
LN metastasis	1.31 (0.77–2.21)	.32
HNF-1B (negative vs. positive)	1.34 (0.70–2.57)	.38
No neoadjuvant	1.14 (0.41–1.14)	.80
Multivariate analysis
Tumor size (<  2 cm vs. ≥ 2 cm)	2.10 (1.06–4.16)	.03
Grade (low vs. high)	1.83 (1.10–3.06)	.02

Abbreviations: PDAC, pancreatic ductal adenocarcinoma; VS, versus;

SD standard deviation, LVI lymphovascular invasion;

LN lymph node, PNI perineural invasion

Bold: Statistically significant