Table 6. Demographics and clinical characteristics of patients undergoing central lymph node dissection in the testing model group.
| Clinicopathological properties | Total | Central lymph node metastasis | |
|---|---|---|---|
| No, n (%) | Yes, n (%) | ||
| Patient | 112 | 54 (48.2) | 58 (51.8) |
| Gender | |||
| Female | 91 | 51 (56.0) | 40 (44.0) |
| Male | 21 | 3 (14.3) | 18 (85.7) |
| Age (years) | |||
| <45 | 50 | 21 (42.0) | 29 (58.0) |
| ≥45 | 62 | 33 (53.2) | 29 (46.8) |
| Tumor size (cm) | |||
| <1 | 58 | 41 (70.7) | 17 (29.3) |
| ≥1 | 54 | 13 (24.1) | 41 (75.9) |
| Tumor location | |||
| Upper | 42 | 38 (90.5) | 4 (9.5) |
| Middle/lower | 70 | 16 (22.9) | 54 (77.1) |
| Ultrasound feature | |||
| Intra-nodular vascularity | |||
| No | 45 | 37 (82.2) | 8 (17.8) |
| Yes | 67 | 17 (25.4) | 50 (74.6) |
| Microcalcification | |||
| No | 41 | 30 (73.2) | 11 (26.8) |
| Yes | 71 | 24 (33.8) | 47 (66.2) |
| Irregular shape | |||
| No | 50 | 42 (84.0) | 8 (16.0) |
| Yes | 62 | 12 (19.4) | 50 (80.4) |
| Infiltrative margin | |||
| No | 38 | 33 (86.8) | 5 (13.2) |
| Yes | 74 | 21 (28.4) | 53 (71.6) |
| Multifocality | |||
| No | 80 | 43 (53.8) | 37 (46.2) |
| Yes | 32 | 11 (34.4) | 21 (65.6) |
| Extrathyroidal extension | |||
| No | 102 | 54 (52.9) | 48 (47.1) |
| Yes | 10 | 0 (0.0) | 10 (100.0) |