Table 2.
Patient and tumour characteristics by level of hospital care (1998–2012, n = 8,601)
| Level of hospital care | University hospital | Level III hospital |
Level II hospital |
Level I hospital |
Speciality hospital |
Hospital n.a. |
Total | p value | |||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| n = 1,990 | n = 1,710 | n = 2,032 | n = 2,281 | n = 343 | n = 245 | n = 8,601 | |||||||||
| Prognostic factors | n | (%)a | n | (%)a | n | (%)a | n | (%)a | n | (%)a | n | (%)a | n | (%)a | |
| Age | |||||||||||||||
| mean ± SD | 65.7 | ±12.6 | 71.2 | ±12.5 | 72.2 | ±12.3 | 74.5 | ±11.6 | 73.8 | ±12.2 | 76.0 | ±12.1 | 71.3 | ±12.7 | <.0001 |
| Age in classes | |||||||||||||||
| <50 years | 240 | (12.1) | 104 | (6.1) | 115 | (5.7) | 94 | (4.1) | 13 | (3.8) | 11 | (4.5) | 577 | (6.7) | <.0001 |
| 50–59 years | 367 | (18.4) | 221 | (12.9) | 204 | (10.0) | 169 | (7.4) | 38 | (11.1) | 15 | (6.1) | 1,014 | (11.8) | |
| 60–69 years | 583 | (29.3) | 373 | (21.8) | 448 | (22.1) | 414 | (18.2) | 70 | (20.4) | 41 | (16.7) | 1,929 | (22.4) | |
| 70–79 years | 581 | (29.2) | 568 | (33.2) | 660 | (32.5) | 789 | (34.6) | 103 | (30.0) | 70 | (28.6) | 2,771 | (32.2) | |
| ≥80 years | 219 | (11.0) | 444 | (26.0) | 605 | (29.8) | 815 | (35.7) | 119 | (34.7) | 108 | (44.1) | 2,310 | (26.9) | |
| Sex | |||||||||||||||
| Male | 1,278 | (64.2) | 947 | (55.4) | 1,123 | (55.3) | 1,221 | (53.5) | 186 | (54.2) | 134 | (54.7) | 4,889 | (56.8) | <.0001 |
| Female | 712 | (35.8) | 763 | (44.6) | 909 | (44.7) | 1,060 | (46.5) | 157 | (45.8) | 111 | (45.3) | 712 | (35.8) | |
| T Category (comb.) | |||||||||||||||
| T1 | 317 | (20.1) | 325 | (27.7) | 347 | (25.0) | 316 | (23.0) | 40 | (23.4) | 19 | (30.2) | 1,364 | (23.7) | <.0001 |
| T2 | 438 | (27.7) | 397 | (33.9) | 494 | (35.5) | 458 | (33.4) | 53 | (31.0) | 20 | (31.8) | 1,860 | (32.4) | |
| T3 | 692 | (43.8) | 330 | (28.2) | 357 | (25.7) | 392 | (28.6) | 55 | (32.2) | 15 | (22.8) | 1,841 | (32.0) | |
| T4 | 133 | (8.4) | 120 | (10.2) | 192 | (13.8) | 207 | (15.1) | 23 | (13.5) | 9 | (14.3) | 684 | (11.9) | |
| Not available | 410 | (20.6) | 538 | (31.5) | 642 | (31.6) | 908 | (39.8) | 172 | (50.2) | 182 | (74.3) | 2,852 | (33.2) | |
| N Category (comb.) | |||||||||||||||
| N0 | 593 | (36.8) | 439 | (37.1) | 533 | (37.3) | 540 | (37.8) | 57 | (32.2) | 27 | (47.4) | 2,189 | (37.2) | <.0001 |
| N+ | 967 | (60.0) | 664 | (56.1) | 822 | (57.6) | 772 | (54.1) | 107 | (60.5) | 27 | (47.4) | 3,359 | (57.1) | |
| NX | 53 | (3.3) | 81 | (6.8) | 73 | (5.1) | 114 | (8.0) | 13 | (7.3) | 3 | (5.3) | 337 | (5.7) | |
| Not available | 377 | (18.9) | 526 | (30.8) | 604 | (29.7) | 855 | (37.5) | 166 | (48.4) | 188 | (76.7) | 2,716 | (31.6) | |
| M Category (primary) | |||||||||||||||
| M1 | 571 | (28.7) | 461 | (27.0) | 533 | (26.2) | 555 | (24.3) | 97 | (28.3) | 41 | (16.7) | 2,258 | (26.3) | 0.0003 |
| Grade | |||||||||||||||
| G1 | 55 | (2.3) | 67 | (4.2) | 129 | (6.9) | 100 | (4.7) | 18 | (6.3) | 15 | (7.7) | 384 | (4.8) | <.0001 |
| G2 | 403 | (21.2) | 472 | (29.8) | 529 | (28.3) | 609 | (28.8) | 72 | (25.3) | 82 | (42.3) | 2,167 | (27.3) | |
| G3/4 | 1,442 | (75.9) | 1,047 | (66.0) | 1,213 | (64.8) | 1,404 | (66.5) | 195 | (68.4) | 97 | (50.0) | 5,398 | (67.9) | |
| Not available | 90 | (4.5) | 124 | (7.3) | 161 | (7.9) | 168 | (7.4) | 58 | (16.9) | 51 | (20.8) | 652 | (7.6) | |
| Lauren classification | |||||||||||||||
| Intestinal | 869 | (55.2) | 774 | (59.4) | 904 | (59.5) | 1,085 | (61.0) | 146 | (64.9) | 90 | (64.8) | 3,868 | (59.2) | <.0001 |
| Diffuse | 601 | (38.2) | 484 | (37.1) | 569 | (37.5) | 639 | (35.9) | 73 | (32.4) | 44 | (31.7) | 2,410 | (36.9) | |
| Mixed | 103 | (6.6) | 46 | (3.5) | 46 | (3.0) | 54 | (3.0) | 6 | (2.7) | 5 | (3.6) | 260 | (4.0) | |
| Not available | 417 | (20.1) | 406 | (23.7) | 513 | (25.3) | 503 | (22.1) | 118 | (34.4) | 106 | (43.3) | 2,063 | (24.0) | |
| Histology | |||||||||||||||
| Adenocarcinoma | 1,362 | (69.4) | 1,220 | (72.6) | 1,454 | (72.9) | 1,691 | (75.5) | 263 | (80.2) | 178 | (78.4) | 6,168 | (73.2) | <.0001 |
| Signet cell carcinoma | 550 | (28.0) | 425 | (25.3) | 489 | (24.5) | 482 | (21.5) | 55 | (16.8) | 41 | (18.1) | 2,042 | (24.2) | |
| Other carcinoma | 51 | (2.6) | 35 | (2.1) | 51 | (2.6) | 66 | (3.0) | 10 | (3.1) | 8 | (3.5) | 221 | (2.6) | |
| Not available | 27 | (1.4) | 30 | (1.8) | 38 | (1.9) | 42 | (1.8) | 15 | (4.4) | 18 | (7.4) | 170 | (2.0) | |
| Location of primary tumour | |||||||||||||||
| GEJ, Cardia | 665 | (36.4) | 287 | (18.8) | 355 | (20.1) | 363 | (18.3) | 65 | (24.0) | 49 | (30.4) | 1,784 | (23.7) | <.0001 |
| Corpus, others | 769 | (42.1) | 731 | (47.9) | 824 | (46.7) | 905 | (45.7) | 127 | (46.9) | 66 | (41.0) | 3,422 | (45.4) | |
| Antrum, Pylorus | 391 | (21.4) | 508 | (33.3) | 586 | (33.2) | 714 | (36.0) | 79 | (29.2) | 46 | (28.6) | 2,324 | (30.9) | |
| Not available | 165 | (8.3) | 184 | (10.8) | 267 | (13.1) | 299 | (13.1) | 72 | (21.0) | 84 | (34.3) | 1,071 | (12.5) | |
| Total | 1,990 | (100) | 1,710 | (100) | 2,032 | (100) | 2,281 | (100) | 343 | (100) | 245 | (100) | 8,601 | (100) | |
n.a., not available; SD, standard deviation; comb., combined cT/pT or cN/pN; GEJ, gastro-oesophageal junction
a Missing values were excluded from calculations of frequency distribution; column percentage can differ slightly from 100 % due to rounding