Research Article
Recurrence Factors and Characteristic Trends of Papillary Thyroid Cancer over Three Decades
Table 1
Demographic data of 235 papillary thyroid cancer patients.
| | Total (n = 235) | No recurrence (n = 182) | Persistence/recurrence (n = 53) | value |
| Age at initial diagnosis (years) | 42.5 ± 14.3 | 41.8 ± 13.6 | 44.7 ± 16.3 | 0.180 | <55 | 189 (80.4) | 154 (84.6) | 35 (66.0) | | 55–70 | 38 (16.2) | 23 (12.6) | 15 (28.3) | | >70 | 8 (3.4) | 5 (2.8) | 3 (5.7) | | Female (%) | 192 (81.7) | 153 (84.1) | 39 (73.6) | 0.082 | BMI (kg/m2) | 22.1 ± 3.8 | 22.9 ± 3.8 | 22.9 ± 3.6 | 0.925 | ATA risk (%) | | | | 0.013 | Low | 124 (52.8) | 105 (57.7) | 19 (35.8) | | Intermediate | 42 (17.8) | 31 (17.0) | 11 (20.8) | | High | 69 (29.4) | 46 (25.3) | 23 (43.4) | | Size (cm) | 2.3 ± 1.4 | 2.2 ± 1.3 | 2.7 ± 1.7 | 0.031 | ≤1 | 50 (21.4) | 42 (23.1) | 8 (15.4) | | >1–2 | 76 (32.0) | 57 (31.3) | 19 (34.6) | | >2–4 | 90 (38.5) | 72 (39.6) | 18 (34.6) | | >4 | 19 (8.1) | 11 (6.0) | 8 (15.4) | | Extrathyroidal extension (%) | 18 (7.7) | 12 (6.6) | 6 (11.5) | 0.238 | 8th AJCC staging (%) | | | | <0.001 | I | 211 (89.7) | 171 (94.0) | 40 (75.4) | | II | 19 (8.1) | 10 (5.5) | 9 (17.0) | | III | 2 (0.9) | 0 | 2 (3.8) | | IV | 3 (1.3) | 1 (0.5) | 2 (3.8) | | Follow-up time (years) | 9.5 ± 7.7 | 9.4 ± 7.6 | 9.7 ± 7.8 | 0.769 | Coexistence of Hashimoto’s thyroiditis (%) | 46 (19.6) | 44 (24.2) | 2 (3.8) | <0.001 |
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AJCC: the American Joint Committee on Cancer.
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