Table 3.
Comparison of clinicopathologic characteristics and semi-quantitative metabolic parameters according to lateral lymph node metastasis
| Variables | Lateral lymph node metastasis | P | |
|---|---|---|---|
| Negative number (%) | Positive number (%) | ||
| Age (years) | |||
| >45 | 37 (82.2) | 8 (17.8) | 0.947 |
| ≤45 | 5 (83.3) | 1 (16.7) | |
| Sex | |||
| Male | 12 (70.6) | 5 (29.4) | 0.140 |
| Female | 30 (88.2) | 4 (11.8) | |
| Tumor size (cm) | |||
| >1 | 13 (65.0) | 7 (35.0) | 0.020 |
| ≤1 | 29 (93.5) | 2 (6.5) | |
| ETE | |||
| Presence | 17 (73.9) | 6 (26.1) | 0.268 |
| Absence | 25 (89.3) | 3 (10.7) | |
| CLN | |||
| Presence | 17 (70.8) | 7 (29.2) | 0.047 |
| Absence | 25 (92.6) | 2 (7.4) | |
| Multifocality | |||
| Presence | 14 (87.5) | 2 (12.5) | 0.701 |
| Absence | 28 (80.0) | 7 (20.0) | |
| SUVmax | |||
| >5.91 | 13 (65.0) | 7 (35.0) | 0.020 |
| ≤5.91 | 29 (93.5) | 2 (6.5) | |
| MTV2.5 (cm3) | |||
| >2.05 | 5 (41.7) | 7 (58.3) | 0.000 |
| ≤2.05 | 37 (94.7) | 2 (5.3) | |
| MTV3 (cm3) | |||
| >1.54 | 5 (41.7) | 7 (58.3) | 0.000 |
| ≤1.54 | 37 (94.7) | 2 (5.3) | |
| MTV3.5 (cm3) | |||
| >1.22 | 5 (41.7) | 7 (58.3) | 0.000 |
| ≤1.22 | 37 (94.7) | 2 (5.3) | |
| MTV4 (cm3) | |||
| >0.61 | 7 (50.0) | 7 (50.0) | 0.001 |
| ≤0.61 | 35 (94.6) | 2 (5.4) | |
| TLG2.5 | |||
| >9.09 | 6 (46.2) | 7 (53.8) | 0.000 |
| ≤9.09 | 36 (94.7) | 2 (5.3) | |
| TLG3 | |||
| >5.35 | 7 (50.0) | 7 (50.0) | 0.001 |
| ≤5.35 | 35 (94.6) | 2 (5.4) | |
| TLG3.5 | |||
| >4.42 | 7 (50.0) | 7 (50.0) | 0.001 |
| ≤4.42 | 35 (94.6) | 2 (5.4) | |
| TLG4 | |||
| >3.47 | 7 (50.0) | 7 (50.0) | 0.001 |
| ≤3.47 | 35 (94.6) | 2 (5.4) | |
Data are expressed as frequency (%) for categorical variables
CLN central lymph node, ETE extrathyroidal extension, SUV standardized uptake value, MTV metabolic tumor volume, TLG total lesion glycolysis