Long-term survival after resection of pancreatic cancer: A single-center retrospective analysis

Table 1 Clinicopathological characteristics of all patients

Variables	Value (n = 195)
Age, mean ± SD	67.6 ± 8.1
Gender
Male	108
Female	87
Tumor marker, median (IQR)
CEA (ng/mL)	2.8 (1.7-4.8)
CA19-9 (U/mL)	143.5 (29.3-435.3)
DUPAN-2 (U/mL)	182 (31.0-739.3)
Operative procedures, n
Pancreaticoduodenectomy	123
Distal pancreatectomy	61
Total pancreatectomy	11
UICC T classification, n
T1	10
T2	6
T3	168
T4	11
Surgical margin status, n
R0	138
R1	50
R2	7
Lymph node metastasis, n
Negative	50
Positive	145
Extrapancreatic neural invasion, n
Positive	108
Negative	87
Portal invasion, n
Positive	63
Negative	132
UICC stage, n
IA	9
IB	1
IIA	38
IIB	110
III	9
IV	28
Adjuvant chemotherapy, n
GEM	142
S1	6
GEM+S1 or others	2
None	45
Time to initiation of adjuvant chemotherapy (mean days)	54.9

CEA: Carcinoembryonic antigen; UICC: Union for international cancer control; GEM: Gemcitabin; IQR: Interquartile range.