Table 2.
Patients’ tumor characteristics and TNM classification for OFTC and FTC
| Total N = 378 |
OFTC N = 126 (33%) |
FTC N = 252 (67%) |
p value | ||
|---|---|---|---|---|---|
| Tumor size (cm) | 3.2 (2.2; 4.5) | 3.0 (2.1; 4.5) | 3.2 (2.2; 4.4) | 0.928 | |
| Tumor size | ≤ 4 cm | 235 (62) | 80 (64) | 155 (62) | 0.922 |
| > 4 cm | 92 (24) | 30 (24) | 62 (25) | ||
| Unknown | 51 (14) | 16 (13) | 35 (14) | ||
| pT | pT1a | 11 (3) | 2 (2) | 9 (4) | 0.904 |
| pT1b | 61 (16) | 23 (18) | 38 (15) | ||
| pT2 | 159 (42) | 50 (40) | 109 (43) | ||
| pT3a | 79 (21) | 28 (22) | 51 (20) | ||
| pT3b | 7 (2) | 3 (2) | 4 (2) | ||
| pT4a | 20 (5) | 7 (6) | 13 (5) | ||
| pT4b | 5 (1) | 1 (< 1) | 4 (2) | ||
| pTx | 36 (10) | 12 (9) | 24 (10) | ||
| pN | pN0 | 136 (36) | 42 (33) | 94 (37) | 0.669 |
| pN1a, pN1b, pN1 | 17 (5) | 5 (4) | 12 (5) | ||
| pNx | 225 (60) | 79 (63) | 146 (58) | ||
| cM | cM0, cMx | 333 (88) | 121 (96) | 212 (84) | 0.001 |
| pM1/cM1 | 45 (12) | 5 (4) | 40 (16) | ||
| pR | pR0 | 262 (69) | 85 (68) | 177 (70) | 0.896 |
| pR1 | 18 (5) | 7 (6) | 11 (4) | ||
| pR2 | 4 (1) | 1 (< 1) | 3 (1) | ||
| pRx | 94 (25) | 33 (26) | 61 (24) | ||
Quantitative variables were expressed as median (minimum; maximum), while categorical ones were presented as numbers and percentages
OFTC Hürthle cell carcinoma, FTC follicular thyroid cancer. Significant values (p-value < 0.05) are italicized