Table 1 Basic data of postoperative patients with pancreatic cancer

n

1957

839

71

Age, n (%)

< 0.001

 < 70

1217 (42.4)

525 (18.3)

60 (2.1)

 ≥ 70

740 (25.8)

314 (11)

11 (0.4)

Sex, n (%)

0.870

 Female

943 (32.9)

405 (14.1%)

32 (1.1)

 Male

1013 (35.3)

434 (15.1%)

39 (1.4)

Grade,, n (%)

0.013

 Grade I

292 (10.2)

151 (5.3)

4 (0.1)

 Grade II

839 (29.3)

346 (12.1)

27 (0.9)

 Grade III

583 (20.3)

231 (8.1)

29 (1)

 Grade IV

39 (1.4)

10 (0.3)

0 (0)

 Unknow

204 (7.1)

101 (3.5)

11 (0.4)

SEER Stage, n (%)

< 0.001

 Distant

225 (7.8)

117 (4.1)

55 (1.9)

 Localized

271 (9.5)

132 (4.6)

8 (0.3)

 Regional

1461 (51)

590 (20.6)

8 (0.3)

T Stage, n (%)

< 0.001

 T1

145 (5.1)

68 (2.4)

10 (0.3)

 T2

248 (8.7)

130 (4.5)

27 (0.9%

 T3

1468 (51.2)

590 (20.6)

17 (0.6)

 T4

94 (3.3)

50 (1.7)

15 (0.5)

 TX

2 (0.1)

1 (0)

2 (0.1)

N Stage, n (%)

< 0.001

 N0

746 (26)

338 (11.8)

4 (0.1)

 N1

1210 (42.2)

499 (17.4)

29 (1)

 NX

1 (0)

2 (0.1)

38 (1.3)

M Stage, n (%)

< 0.001

 M0

1831 (63.9)

776 (27.1)

16 (0.6)

 M1

126 (4.4)

63 (2.2)

55 (1.9)

Radiotherapy, n (%)

<0.001

 No

1319 (46)

573 (20)

65 (2.3)

 Yes

638 (22.3)

266 (9.3)

6 (0.2)

Chemotheropy, n (%)

0.048

 No

625 (21.8)

271 (9.5)

13 (0.5)

 Yes

1332 (46.5)

568 (19.8)

58 (2)

Liver Metastasis, n (%)

<0.001

 No

1870 (65.2)

793 (27.7)

39 (1.4)

 Yes

87 (3)

46 (1.6)

32 (1.1)

Tumor Size, n (%)

<0.001

 <19

220 (7.7)

86 (3)

4 (0.1)

 25

1316 (45.9)

581 (20.3)

36 (1.3)

 19–25

421 (14.7)

172 (6)

31 (1.1)

Marital Status, n (%)

<0.001

 Divorce

189 (6.6)

85 (3)

0 (0)

 Married

1310 (45.7)

545 (19)

71 (2.5)

 Single

267 (9.3)

107 (3.7)

0 (0)

 Widow

191 (6.7)

102 (3.6)

0 (0)

Primary Site, n (%)

<0.001

 Other Parts

17 (0.6)

4 (0.1)

5 (0.2)

 Pancreatic Body

205 (7.2)

74 (2.6)

9 (0.3)

 Pancreatic Head

1406 (49)

612 (21.3)

41 (1.4)

 Pancreatic Tail

329 (11.5)

149 (5.2)

16 (0.6)