Table 2 Patients clinical features of LN + pancreatic tumors split by primary site
Total | Pancreas head | Pancreas body tail | P value | |
|---|---|---|---|---|
Age group, no. (%) | 0.293 | |||
18–49 | 521 (9.1) | 434 (8.9) | 87 (10.2) | |
50–59 | 1412 (24.7) | 1215 (24.9) | 197 (23.2) | |
60–69 | 2074 (36.2) | 1778 (36.5) | 296 (34.9) | |
≥ 70 | 1719 (30.0) | 1450 (29.7) | 269 (31.7) | |
Sex, no. (%) | 0.022 | |||
Male | 2973 (51.9) | 2563 (52.6) | 410 (48.3) | |
Female | 2753 (48.1) | 2314 (47.4) | 439 (51.7) | |
Race, no. (%) | 0.104 | |||
White | 4710 (82.3) | 4032 (82.7) | 679 (80.0) | |
Black | 592 (10.3) | 488 (10.0) | 104 (12.2) | |
Other | 424 (7.4) | 357 (7.3) | 67 (7.9) | |
Marital status, no. (%) | 0.310 | |||
Never married | 709 (12.4) | 603 (12.4) | 106 (12.5) | |
Married | 3868 (67.6) | 3279 (67.2) | 589 (69.4) | |
Divorced/ widowed | 1149 (20.1) | 995 (20.4) | 154 (18.1) | |
Size, no. (%) | < 0.001 | |||
≤ 2 cm | 716 (12.5) | 662 (13.6) | 54 (6.4) | |
≤ 4 cm | 3498 (61.1) | 3135 (64.3) | 363 (42.8) | |
> 4 cm | 1512 (26.4) | 1080 (22.1) | 432 (50.9) | |
Differentiation, no. (%) | 0.551 | |||
Well | 477 (8.3) | 399 (8.2) | 78 (9.2) | |
Intermediate | 2590 (45.2) | 2197 (45.0) | 393 (46.3) | |
Poor/undifferentiated | 2133 (37.3) | 1833 (37.6) | 300 (35.3) | |
Missing | 526(9.2) | 448(9.2) | 78(9.2) | |
Lymph node ratio, no. (%) | ||||
1–25% | 3466 (60.5) | 2923 (59.9) | 543 (64.0) | 0.019 |
26–50% | 1505 (26.3) | 1315 (27.0) | 190 (22.4) | |
> 50% | 755 (13.2) | 639 (13.1) | 116 (13.7) | |
Number of malignant mass, no. (%) | 0.305 | |||
One | 5493 (95.9) | 4684 (96.0) | 809 (95.3) | |
More than one | 233 (4.1) | 193 (4.0) | 40 (4.7) | |
Distance metastasis, no. (%) | < 0.001 | |||
No | 5317 (92.9) | 4613 (94.6) | 704 (82.9) | |
Yes | 409 (7.1) | 264 (5.4) | 145 (17.1) | |
Stage, no. (%) | < 0.001 | |||
IIB | 4917 (85.8) | 4277 (87.7) | 640 (75.5) | |
III | 302 (5.3) | 258 (5.3) | 44 (5.2) | |
IV | 507 (8.9) | 342 (7.0) | 165 (19.3) | |