Table 1 The clinical characters of the patients with pancreatic PSRCC and PDAC

Age at diagnosis

<= 70

50,220 (59.2%)

259 (60.9%)

> 70

34,643 (40.8%)

166 (39.1%)

Gender

Female

41,150 (48.5%)

175 (41.2%)

Male

43,713 (51.5%)

250 (58.8%)

Race

Black

10,624 (12.5%)

41 (9.6%)

Other

7015 (8.3%)

30 (7.1%)

Unknown

204 (0.2%)

1 (0.2%)

White

67,020 (79.0%)

353 (83.1%)

Marital status

Married

47,335 (55.8%)

241 (56.7%)

Unknown

3552 (4.2%)

19 (4.5%)

Unmarried

33,976 (40.0%)

165 (38.8%)

Grade

I

3479 (4.1%)

0 (0.0%)

II

13,680 (16.1%)

23 (5.4%)

III

12,642 (14.9%)

164 (38.6%)

IV

471 (0.6%)

8 (1.9%)

Unknown

54,591 (64.3%)

230 (54.1%)

Primary site

Body

10,959 (12.9)

48 (11.3)

Head

43,324 (51.1)

191 (44.9)

Tail

11,267 (13.3)

63 (14.8)

Pancreatic duct

506 (0.6)

3 (0.7)

Islets of Langerhans

2 (0)

0 (0)

Other specified parts of pancreas

1298 (1.5)

3 (0.7)

Overlapping lesion of pancreas

6498 (7.7)

33 (7.8)

Pancreas, NOS

11,009 (13.0)

84 (19.8)

TNM stage

I

5309 (6.3)

10 (2.4)

II

22,439 (26.4)

98 (23.1)

III

8201 (9.7)

30 (7.1)

IV

43,747 (51.6)

265 (62.4)

Unknown

5167 (6.1)

22 (5.2)

T stage

T0

488 (0.6)

2 (0.5)

T1

2619 (3.1)

12 (2.8)

T2

16,377 (19.3)

62 (14.6)

T3

32,602 (38.4)

162 (38.1)

T4

16,563 (19.5)

90 (21.2)

Tx

15,826 (18.6)

96 (22.6)

Unknown

388 (0.5)

1 (0.2)

N stage

N0

40,953 (48.3)

171 (40.2)

N1

29,925 (35.3)

165 (38.8)

Nx

13,597 (16)

88 (20.7)

Unknown

388 (0.5)

1 (0.2)

M stage

M0

37,992 (44.8)

146 (34.4)

M1

43,747 (51.6)

265 (62.4)

Mx

2736 (3.2)

13 (3.1)

Unknown

388 (0.5)

1 (0.2)

Surgery

No

67,385 (79.4%)

349 (82.1%)

Unknown

399 (0.5%)

1 (0.2%)

Yes

17,079 (20.1%)

75 (17.6%)

Radiotherapy

Yes

14,354 (16.9%)

57 (13.4%)

No/unknown

70,509 (83.1%)

368 (86.6%)

Chemotherapy

No/unknown

36,974 (43.6%)

220 (51.8%)

Yes

47,889 (56.4%)

205 (48.2%)