Prognostic Evaluation of Vimentin Expression in Correlation with Ki67 and CD44 in Surgically Resected Pancreatic Ductal Adenocarcinoma

Table 2

Demographic and histopathological characteristics of included patients.

Characteristics
Sex (female)	15 (28.3%)
Age (years)^†	68 (44–82)
Operation
Classic Whipple’s	12 (22.6%)
PPPD	31 (58.5%)
Distal pancreatectomy	10 (18.9%)
T stage
T1	4 (7.5%)
T2	9 (17%)
T3	31 (58.5%)
T4	9 (17%)
N stage
N0	11 (20.8%)
N1	42 (79.2%)
Size of primary tumor (cm)^†	4.1 (1.2–7.1)
Histopathological grade
I	8 (15.1%)
II	17 (32.1%)
III	24 (45.3%)
IV	4 (7.5%)
Lymphovascular invasion	37 (69.8%)
Peri/intraneural invasion	35 (66%)
Resection margin
R0	41 (77.4%)
R1	10 (18.9%)
R2	2 (3.8%)

Number (%); ^†median (minimum–maximum); PPPD: pylorus preserving pancreaticoduodenectomy.