Table 1 Demographic characteristics of patients with ATC
Overall (N = 730) | Trainingset (N = 510) | Testset (N = 220) | P-value | |
|---|---|---|---|---|
Age | ||||
< 60 | 190 (26.0%) | 142 (27.8%) | 48 (21.8%) | 0.527 |
60–79 | 155 (21.2%) | 262 (51.4%) | 123 (55.9%) | |
≧ 80 | 385 (52.7%) | 106 (20.8%) | 49 (22.3%) | |
Sex | ||||
Female | 441 (60.4%) | 299 (58.6%) | 142 (64.5%) | 0.364 |
Male | 289 (39.6%) | 211 (41.4%) | 78 (35.5%) | |
Race | ||||
White | 580 (79.5%) | 395 (77.5%) | 185 (84.1%) | < 0.001 |
Black | 65 (8.9%) | 50 (9.8%) | 15 (6.8%) | |
Other | 85 (11.6%) | 65 (12.7%) | 20 (9.1%) | |
Marital.status | ||||
Married | 415 (56.8%) | 286 (56.1%) | 129 (58.6%) | 0.612 |
Widowed | 148 (20.3%) | 105 (20.6%) | 43 (19.5%) | |
Single | 103 (14.1%) | 72 (14.1%) | 31 (14.1%) | |
Divorced or separated | 64 (8.8%) | 47 (9.2%) | 17 (7.7%) | |
Insurance | ||||
Insured and any medical | 714 (97.8%) | 496 (97.3%) | 218 (99.1%) | 0.098 |
Uninsured | 16 (2.2%) | 14 (2.7%) | 2 (0.9%) | |
No.high.school.diploma | ||||
< 21% | 552 (75.6%) | 378 (74.1%) | 174 (79.1%) | 0.006 |
≧ 21% | 178 (24.4%) | 132 (25.9%) | 46 (20.9%) | |
Families.below.poverty | ||||
< 14% | 492 (67.4%) | 340 (66.7%) | 152 (69.1%) | 0.197 |
≧ 14% | 238 (32.6%) | 170 (33.3%) | 68 (30.9%) | |
AJCC.T.8th | ||||
T1-2 | 29 (4.0%) | 18 (3.5%) | 11 (5.0%) | 0.449 |
T3 | 91 (12.5%) | 64 (12.5%) | 27 (12.3%) | |
T4 | 610 (83.6%) | 428 (83.9%) | 182 (82.7%) | |
AJCC.N.8th | ||||
N0 | 299 (41.0%) | 205 (40.2%) | 94 (42.7%) | 0.461 |
N1 | 431 (59.0%) | 305 (59.8%) | 126 (57.3%) | |
AJCC.M.8th | ||||
M0 | 400 (54.8%) | 277 (54.3%) | 123 (55.9%) | 0.105 |
M1 | 330 (45.2%) | 233 (45.7%) | 97 (44.1%) | |
Tumor.size | ||||
< 6 cm | 304 (41.6%) | 218 (42.7%) | 86 (39.1%) | 1 |
≧ 6 cm | 426 (58.4%) | 292 (57.3%) | 134 (60.9%) | |
Multifocality | ||||
Multifocal | 570 (78.1%) | 393 (77.1%) | 177 (80.5%) | 0.77 |
Unifocal | 160 (21.9%) | 117 (22.9%) | 43 (19.5%) | |
Reg.LN.Sur | ||||
None | 490 (67.1%) | 334 (65.5%) | 156 (70.9%) | 0.95 |
1 to 3 removed | 89 (12.2%) | 67 (13.1%) | 22 (10.0%) | |
4 or more removed | 109 (14.9%) | 79 (15.5%) | 30 (13.6%) | |
Biopsy or aspiration | 42 (5.8%) | 30 (5.9%) | 12 (5.5%) | |
Surgery | ||||
None surgery | 345 (47.3%) | 237 (46.5%) | 108 (49.1%) | 0.705 |
Lobectomy | 138 (18.9%) | 94 (18.4%) | 44 (20.0%) | |
Total/near total thyroidectomy | 247 (33.8%) | 179 (35.1%) | 68 (30.9%) | |
Radiotherapy | ||||
No | 449 (61.5%) | 318 (62.4%) | 131 (59.5%) | 1 |
Yes | 281 (38.5%) | 192 (37.6%) | 89 (40.5%) | |
Chemotherapy | ||||
No/Unknown | 354 (48.5%) | 256 (50.2%) | 98 (44.5%) | 0.09 |
Yes | 376 (51.5%) | 254 (49.8%) | 122 (55.5%) |