Table 1 Clinical and pathological characteristics of PTC patients
Factors | CLNM-group (n=1604) | CLNM+group (n=982) | Totalpatients/average value | % |
|---|---|---|---|---|
Gender | ||||
 male | 284 (17.7%) | 281 (28.6%) | 565 | 21.8% |
 female | 1320 (82.3%) | 701 (71.4%) | 2021 | 78.2% |
Age (years) | 44.89±10.60 | 39.94±10.45 | 43.01±10.82 |  |
Tumor diameter (TD) | ||||
 TD≤1cm | 1308 (81.5%) | 614 (62.5%) | 1922 | 74.3% |
 1cm<TD≤2cm | 245 (15.3%) | 289 (29.4%) | 534 | 20.6% |
 2cm<TD≤4cm | 49 (3.1%) | 73 (7.4%) | 122 | 4.7% |
 TD>4cm | 2 (0.1%) | 6 (0.6%) | 8 | 0.3% |
Tumor mulifocality | ||||
 single-focal | 1025 (63.9%) | 551 (56.1%) | 1576 | 60.9% |
 multifocal | 579 (36.1%) | 431 (43.9%) | 1010 | 39.1% |
Capsular invasion | ||||
 yes | 158 (9.9%) | 129 (13.1%) | 287 | 11.1% |
 no | 1446 (90.1%) | 853 (86.9%) | 2299 | 88.9% |
Nerve invasion | ||||
 yes | 38 (2.4%) | 31 (3.2%) | 69 | 2.7% |
 no | 1566 (97.6%) | 951 (96.8%) | 2517 | 97.3% |
Vascular invasion | ||||
 yes | 25 (1.6%) | 85 (8.7%) | 110 | 4.3% |
 no | 1582 (98.6%) | 897 (91.3%) | 2476 | 95.7% |
Number of lymph nodes in central region | 8.37±5.52 | 10.65±6.12 | 9.24±5.86 |  |
Thyroid function (uIU/ML) | ||||
 TSH | 2.40±1.04 | 2.40±1.00 | 2.40±1.02 |  |
 TgAb | 69.21±112.28 | 69.92±115.80 | 70.04±114.32 |  |
 TPOAb | 204.36±401.47 | 189.89±387.40 | 201.14±398.74 |  |