Table 3.
Comparison between patients who developed distant metastasis and those who remained without remote disease
| Non-metastatic | Metastatic | Odds ratio | p-value | |
|---|---|---|---|---|
| Sex | 0.8 | 1.0 | ||
| Male | 9 | 3 | ||
| Female | 15 | 4 | ||
| Age | 12 | 0.028 | ||
| ≤40 years | 16 | 1 | ||
| >40 years | 8 | 6 | ||
| Tumour site | 3.7 | 0.30 | ||
| One lobe | 20 | 4 | ||
| Two lobes | 4 | 3 | ||
| Tumour focality | 1.1 | 1.0 | ||
| Unifocal | 13 | 4 | ||
| Multifocal | 9 | 3 | ||
| Extrathyroid extension | 2 | 1.0 | ||
| Absent | 8 | 2 | ||
| Present | 2 | 1 | ||
| Side of positive nodes | 26 | 0.014 | ||
| Ipsilateral | 13 | 2 | ||
| Contra/bilateral | 1 | 4 | ||
| Site of positive nodes | 1.1 | 1.0 | ||
| Lateral | 5 | 2 | ||
| Lateral and central | 9 | 4 | ||
| T stage | – | 0.18 | ||
| 1 | 3 | 3 | ||
| 2 | 8 | 2 | ||
| 3 | 9 | 1 | ||
| N stage | 4.2 | 0.37 | ||
| 0 | 10 | 1 | ||
| 1 | 14 | 6 | ||
| Median number of positive nodes | 3 | 12 | – | 0.14 |
| Median lymph node ratio | 0.15 | 0.58 | – | 0.17 |
| Adjuvant chemotherapy | 35 | 0.004 | ||
| No | 14 | 1 | ||
| Yes | 2 | 5 | ||
| Adjuvant radiotherapy | 0.9 | 1.0 | ||
| No | 9 | 3 | ||
| Yes | 7 | 2 |