Table 1 Baseline information and DECT images characteristics of PTC patients
|  | Total (n = 406) | LLNM (−) (n = 278) | LLNM (+) (n = 128) | P value |
|---|---|---|---|---|
Agea | Â | Â | Â | .179 |
  ≤ 55 | 283 (69.7) | 188 (67.6) | 95 (74.2) |  |
  > 55 | 123 (30.3) | 90 (32.4) | 33 (25.8) |  |
Sex, n (%) | Â | Â | Â | .146 |
 Female | 322 (79.3) | 226 (70.2) | 96 (29.8) |  |
 Male | 84 (20.7) | 52 (61.9) | 32 (38.1) |  |
Location | Â | Â | Â | .493 |
 Left lobe | 189 (46.6) | 127 (67.2) | 62 (32.8) |  |
 Right lobe | 193 (47.5) | 132 (68.4) | 61 (31.6) |  |
 Isthmus | 24 (5.9) | 19 (79.2) | 5 (20.8) |  |
HT, n (%) | Â | Â | Â | .270 |
 Negative | 323 (79.6) | 217 (67.2) | 106 (32.8) |  |
 Positive | 83 (20.4) | 61 (73.5) | 22 (26.5) |  |
Nodular Goiter, n (%) | Â | Â | Â | .940 |
 Negative | 277 (68.2) | 190 (68.6) | 87 (31.4) |  |
 Positive | 129 (31.8) | 88 (68.2) | 41 (31.8) |  |
Cystic degeneration | Â | Â | Â | .047 |
 Negative | 257 (63.3) | 215 (83.7) | 42 (16.3) |  |
 Positive | 149 (36.7) | 63 (42.3) | 86 (57.7) |  |
Calcification | Â | Â | Â | .000 |
 Negative | 321 (79.0) | 257 (80.1) | 64 (19.9) |  |
 Positive | 85 (21.0) | 21 (24.7) | 64 (75.3) |  |
ETE | Â | Â | Â | .000 |
 Negative | 302 (74.4) | 268 (88.7) | 34 (11.3) |  |
 Positive | 104 (25.6) | 10 (9.6) | 94 (90.4) |  |