Table 1 Characteristics of patients with gastric neuroendocrine tumour in SEER database before propensity score matching
Variable | Overall (n = 3947) | Married (n = 2377; 60.2%) | Divorced/Separated (n = 408; 10.3%) | Single (n = 646; 16.4%) | Widowed (n = 516; 13.1%) | P |
|---|---|---|---|---|---|---|
Demographic parameters | ||||||
Age at diagnosis | < 0.001 | |||||
≤ 50 | 938 | 574 (61.2%) | 90 (9.6%) | 271 (28.9%) | 3 (0.3%) | |
51–70 | 1930 | 1243 (64.4%) | 240 (12.4%) | 293 (15.2%) | 154 (8.0%) | |
> 70 | 1079 | 560 (51.9%) | 78 (7.2%) | 82 (7.6%) | 359 (33.3%) | |
Sex | < 0.001 | |||||
Male | 1571 | 1121 (72.1%) | 135 (8.2%) | 248 (14.4%) | 67 (5.3%) | |
Female | 2376 | 1256 (51.7%) | 273 (12.2%) | 398 (16.4%) | 449 (19.8%) | |
Year of diagnosis | < 0.001 | |||||
1973–1995 | 254 | 172 (67.7%) | 19 (7.5%) | 26 (10.2%) | 37 (14.6%) | |
1996–2005 | 1120 | 659 (58.8%) | 107 (9.6%) | 166 (14.8%) | 188 (16.8%) | |
2006–2010 | 1127 | 686 (60.9%) | 118 (10.5%) | 184 (16.3%) | 139 (12.3%) | |
2011–2015 | 1446 | 860 (59.5%) | 164 (11.3%) | 270 (18.7%) | 152 (10.5%) | |
Ethnicity | < 0.001 | |||||
White | 3099 | 1945 (62.8%) | 306 (9.9%) | 456 (14.7%) | 392 (12.6%) | |
Black | 563 | 234 (41.6%) | 82 (14.6%) | 158 (28.1%) | 89 (15.8%) | |
Others | 252 | 175 (69.4%) | 20 (7.9%) | 26 (10.3%) | 31 (12.3%) | |
Unknown | 33 | 23 (69.7%) | 0 (0%) | 6 (18.2%) | 4 (12.1%) | |
Clinicopathological parameters | ||||||
Grade | 0.07 | |||||
Well differentiated | 1144 | 679 (59.4%) | 125 (10.9%) | 210 (18.4%) | 130 (11.4%) | |
Moderately differentiated | 258 | 168 (65.1%) | 24 (9.3%) | 45 (17.4%) | 21 (8.1%) | |
Poorly differentiated | 285 | 166 (58.2%) | 33 (11.6%) | 43 (15.1%) | 43 (15.1%) | |
Undifferentiated | 73 | 42 (57.5%) | 5 (6.8%) | 13 (17.8%) | 13 (17.8%) | |
Unknown | 2187 | 1322 (60.4%) | 221 (10.1%) | 335 (15.3%) | 309 (14.1%) | |
Tumour stage | 0.19 | |||||
Localized | 2635 | 1612 (61.2%) | 278 (10.6%) | 416 (15.8%) | 329 (12.5%) | |
Regional | 241 | 151 (62.7%) | 27 (11.2%) | 40 (16.6%) | 23 (9.5%) | |
Distant | 463 | 271 (58.5%) | 43 (9.3%) | 81 (17.5%) | 68 (14.7%) | |
Unknown | 608 | 343 (56.4%) | 60 (9.9%) | 109 (17.9%) | 96 (15.8%) | |
Size (cm) | 0.02 | |||||
≤ 5 | 79 | 57 (72.2%) | 8 (10.1%) | 5 (6.3%) | 9 (11.4%) | |
5.1–10.0 | 104 | 60 (57.7%) | 7 (6.7%) | 18 (17.3%) | 19 (18.3%) | |
> 10.0 | 229 | 146 (63.8%) | 23 (10.0%) | 22 (9.6%) | 38 (16.6%) | |
Unknown | 3535 | 2114 (59.8%) | 370 (10.5%) | 601 (17.0%) | 450 (12.7%) | |
Surgery | < 0.001 | |||||
Performed | 2391 | 1498 (62.7%) | 244 (10.2%) | 376 (15.7%) | 273 (11.4%) | |
Not Performed | 1482 | 841 (56.7%) | 152 (10.3%) | 252 (17.0%) | 237 (16.0%) | |
Unknown | 74 | 38 (51.4%) | 12 (16.2%) | 18 (24.3%) | 6 (8.1%) | |