Table 5 Univariate analysis of factors that influenced 3-year survival after PD due to PDAC of the pancreatic head

Age (years)

0.073

<60 (n = 74)

n = 22 (30%)

61-65 (n = 100)

n = 18 (18%)

>65 (n = 21)

n = 2 (9%)

CEA (ng/ml)

0.002

<4 (n = 151)

n = 39 (26%)

>4 (n = 36)

n = 1 (3%)

CA 19–9 (U/ml)

0.026

<24 (n = 39)

n = 13 (33%)

>24 (n = 151)

n = 26 (17%)

T- stage

0.894

pT1 n = 7

n = 2 (28%)

pT2 n = 12

n = 2 (17%)

pT3 n = 173

n = 37 (21%)

pT4 n = 3

n = 1 (33%)

R-status

0.155

R0 n = 138

n = 30 (22%)

R1 n = 42

n = 8 (19%)

R2 n = 10

n = 1 (10%)

Lymph node-ratio

0.709

<0.2 (n = 134)

n = 30 (22%)

≥0.2 (n = 60)

n = 12 (20%)

Tumor grade

0.001

G1 (n = 6)

n = 4 (67%)

G2 (n = 102)

n = 21 (20%)

G3 (n = 82)

n = 12 (15%)

G4 (n = 5)

n = 2 (40%)

Pancreas texture

0.017

Hard n = 33

n = 2 (6%)

Soft n = 161

n = 40 (25%)

Preoperative diabetes (n = 69)

n = 12 (17%)

0.365

Nicotine abuse (n = 35)

n = 6 (17%)

0.651

Hypertension (n = 100)

n = 18 (18%)

0.163

BMI >35 (n = 3)

0

0.631

POPF grade B (n = 10)

n = 4 (40%)

0.228

POPF grade C (n = 3)

n = 1 (33%)

0.387