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Factors affect to shortened neck US interval during follow up
| Factor | Group 1 (n=240) | Group 2 (n=22) | p value |
|---|---|---|---|
| Indeterminate lesion on the bed | 18 (7.5) | 2 (9.1) | 0.679 |
| Indeterminate central LN |
9 (3.8) | 4 (18.2) | 0.016 |
| Indeterminate lateral LN |
4 (1.7) | 5 (22.7) | 0.002 |
| Preexisting contralateral nodule | 5 (2.1) | 0 (0) | NA |
| Newly contralateral nodule |
92 (38.3) | 16 (72.7) | 0.002 |
| Convenience with other examination | 15 (6.3) | 0 (0) | 0.623 |
*Values are overlapped.
Values are presents as number (%).
LN: lymph node, NA: not applicable, US: ultrasonography