Table 1 Patients clinical features of LN + pancreatic tumors and distant metastasis
Total | No distance metastasis | Distance metastasis | P value | |
|---|---|---|---|---|
Age | < 0.001 | |||
18–49 | 521 (9.1) | 464 (8.7) | 57 (13.9) | |
50–59 | 1412 (24.7) | 1289 (24.2) | 123 (30.1) | |
60–69 | 2074 (36.2) | 1948 (36.6) | 126 (30.8) | |
≥ 70 | 1719 (30.0) | 1616 (30.4) | 103 (25.2) | |
Sex, no. (%) | 0.730 | |||
Male | 2973 (51.9) | 2764 (52.0) | 209 (51.1) | |
Female | 2753 (48.1) | 2553 (48.0) | 200 (48.9) | |
Race, no. (%) | 0.384 | |||
White | 4710 (82.3) | 4377 (82.3) | 333 (81.4) | |
Black | 592 (10.3) | 553 (10.4) | 39 (9.5) | |
Other | 424 (7.4) | 387 (7.3) | 37 (9.1) | |
Marital status, no. (%) | 0.090 | |||
Never married | 709 (12.4) | 657 (12.4) | 52 (12.7) | |
Married | 3868 (67.6) | 3576 (67.3) | 292 (71.4) | |
Divorced/widowed | 1149 (20.1) | 1084 (20.4) | 65 (15.9) | |
Size, no. (%) | < 0.001 | |||
≤ 2 cm | 716 (12.5) | 689 (13.0) | 27 (6.6) | |
≤ 4 cm | 3498 (61.1) | 3294 (62.0) | 204 (49.9) | |
> 4 cm | 1512 (26.4) | 1334 (25.0) | 178 (43.5) | |
Differentiation, no. (%) | < 0.001 | |||
Well | 477 (8.3) | 436 (8.2) | 41 (10.0) | |
Intermediate | 2590 (45.2) | 2464 (46.3) | 126 (30.8) | |
Poor/undifferentiated | 2133 (37.3) | 1994 (37.5) | 139 (34.0) | |
Missing | 526 (9.2) | 423 (8.0) | 103 (25.2) | |
Lymph node ratio, no. (%) | < 0.001 | |||
1–25% | 3466 (60.5) | 3300 (62.1) | 166 (40.5) | |
26–50% | 1505 (26.3) | 1396 (26.3) | 109 (26.7) | |
> 50% | 755 (13.2) | 621 (11.7) | 134 (32.8) | |
Number of malignant mass, no. (%) | 0.047 | |||
1 | 5493 (95.9) | 5093 (95.8) | 400 (97.8) | |
> 1 | 233 (4.1) | 224 (4.2) | 9 (2.2) | |
Primary site no. (%) | < 0.001 | |||
Pancreas head | 4877 (85.2) | 4613 (86.8) | 264 (64.5) | |
Pancreas body tail | 849 (14.8) | 704 (13.2) | 145 (35.5) | |
Stage, no. (%) | < 0.001 | |||
IIB | 5003 (87.3) | 5003 (94.1) | 0 | |
III | 314 (5.5) | 314 (5.9) | 0 | |
IV | 409 (7.2) | 0 | 409 (100%) |