Research Article
Pretreatment BMI Is Associated with Aggressive Clinicopathological Features of Papillary Thyroid Carcinoma: A Multicenter Study
Table 2
Pathological factors of 1622 PTC patients.
| | BMI at diagnosis (kg/m2) | value | BMI < 18.5
| 18.5 ≤ BMI < 23
| 23 ≤ BMI < 27.5
| BMI ≥ 27.5
|
| | Tumor size, cm, mean ± SD | 0.9 ± 0.5 | 1.1 ± 0.5 | 1.3 ± 0.6 | 1.3 ± 0.5 | 0.12 | | Maximum tumor size, cm | | | | | 0.14 | | <1 cm | 48 (61.54%) | 486 (58.83%) | 267 (64.5%) | 156 (51.32%) | | | ≥1 cm | 30 (38.46%) | 340 (41.16%) | 147 (35.5%) | 148 (48.68%) | | Multifocality | 24 (30.77%) | 263 (31.84%) | 167 (40.34%) | 129 (42.43%) | 0.02 | | Bilateriality | 21 (26.92%) | 174 (21.07%) | 96 (23.19%) | 68 (22.36%) | 0.49 | | Extrathyroidal extension | 27 (34.62%) | 287 (34.75%) | 170 (41.06%) | 141 (46.38%) | 0.04 | | N1 | 28 (35.9%) | 314 (38.01%) | 163 (39.37%) | 149 (49.01%) | 0.045 | | N1a | 19 | 176 | 118 | 83 | | | N1b | 9 | 138 | 45 | 66 | | M1 | 3 (3.85%) | 14 (1.69%) | 11 (2.68%) | 6 (1.97%) | 0.65 | | TNM stage | | | | | 0.001 | | I + II | 49 | 525 | 225 | 150 | | | III + IV | 29 (37.18%) | 301 (36.44%) | 189 (45.65%) | 154 (50.66%) |
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