Copyright
©The Author(s) 2024.
World J Gastrointest Oncol. Aug 15, 2024; 16(8): 3507-3520
Published online Aug 15, 2024. doi: 10.4251/wjgo.v16.i8.3507
Published online Aug 15, 2024. doi: 10.4251/wjgo.v16.i8.3507
Table 1 Demographic and clinical characteristics of patients in the Surveillance, Epidemiology, and End Results dataset and our hospital
| Variables | Training set | Validation set | Test set |
| n = 233 | n = 53 | n = 92 | |
| Age, mean (SD) | 60.7 (13.5) | 61.4 (13.2) | 65.62 (8.78) |
| Sex, n (%) | |||
| Female | 120 (51.5) | 21 (39.6) | 17 (18.48) |
| Male | 113 (48.5) | 32 (60.4) | 75 (81.52) |
| Marital, n (%) | |||
| Unmarried | 84 (36.1) | 16 (30.2) | 0 (0.00) |
| Married | 141 (60.5) | 37 (69.8) | 92 (100) |
| Unknown | 8 (3.43) | 0 (0.00) | 0 (0.00) |
| Race, n (%) | |||
| White | 41 (17.6) | 7 (13.2) | 0 (0.00) |
| Black | 167 (71.7) | 41 (77.4) | 0 (0.00) |
| Asian and others | 25 (10.7) | 5 (9.43) | 92 (100) |
| Primary site, n (%) | |||
| Upper 1/3 | 44 (18.9) | 13 (24.5) | 57 (61.96) |
| Middle 1/3 | 89 (38.2) | 21 (39.6) | 11 (11.96) |
| Lower 1/3 | 50 (21.5) | 12 (22.6) | 18 (19.57) |
| Overlapping | 50 (21.5) | 7 (13.2) | 6 (6.52) |
| Histology, n (%) | |||
| NET | 150 (64.4) | 33 (62.3) | 6 (6.52) |
| NEC | 71 (30.5) | 16 (30.2) | 62 (67.39) |
| MANEC | 12 (5.15) | 4 (7.55) | 24 (26.09) |
| Size, n (%) | |||
| ≤ 2 | 92 (39.5) | 19 (35.8) | 7 (7.61) |
| > 2 and ≤ 5 | 82 (35.2) | 21 (39.6) | 53 (57.61) |
| > 5 | 59 (25.3) | 13 (24.5) | 32 (34.78) |
| T stage, n (%) | |||
| Tis | 3 (1.29) | 1 (1.89) | 0 (0.00) |
| T1 | 41 (17.6) | 5 (9.43) | 4 (4.35) |
| T2 | 77 (33.0) | 20 (37.7) | 10 (10.87) |
| T3 | 67 (28.8) | 12 (22.6) | 59 (64.13) |
| T4 | 45 (19.3) | 15 (28.3) | 19 (20.65) |
| N stage, n (%) | |||
| N0 | 111 (47.6) | 27 (50.9) | 23 (25.00) |
| N1/N2/N3 | 122 (52.4) | 26 (49.1) | 69 (75.00) |
| M stage, n (%) | |||
| M0 | 196 (84.1) | 43 (81.1) | 79 (85.87) |
| M1 | 37 (15.9) | 10 (18.9) | 13 (14.13) |
| LNR, n (%) | |||
| 0 | 111 (47.6) | 27 (50.9) | 24 (26.09) |
| ≤ 0.2 | 47 (20.2) | 11 (20.8) | 35 (38.04) |
| > 0.2 | 75 (32.2) | 15 (28.3) | 33 (35.87) |
| Radiation, n (%) | |||
| No | 213 (91.4) | 48 (90.6) | 86 (93.48) |
| Yes | 20 (8.58) | 5 (9.43) | 6 (6.52) |
| Chemotherapy, n (%) | |||
| No | 183 (78.5) | 40 (75.5) | 41 (44.57) |
| Yes | 50 (21.5) | 13 (24.5) | 51 (55.43) |
| Status, n (%) | |||
| Alive | 168 (72.1) | 36 (67.9) | 53 (57.61) |
| Dead | 65 (27.9) | 17 (32.1) | 39 (42.39) |
| Time, median (range) | 51 (1, 189) | 40 (1, 186) | 23 (1, 148) |
- Citation: Liu W, Wu HY, Lin JX, Qu ST, Gu YJ, Zhu JZ, Xu CF. Combining lymph node ratio to develop prognostic models for postoperative gastric neuroendocrine neoplasm patients. World J Gastrointest Oncol 2024; 16(8): 3507-3520
- URL: https://www.wjgnet.com/1948-5204/full/v16/i8/3507.htm
- DOI: https://dx.doi.org/10.4251/wjgo.v16.i8.3507