Table 4.
Factors for achievement of NEDa following local treatment (Logistic regression analysis)
| Univariate | Multivariable | |||
|---|---|---|---|---|
| Variable | OR (95%CI) | P-value | OR (95%CI) | P-value |
| Age (years)‡ | 1.02 | 0.33 | – | – |
| Time to metastasisb (months)‡ | 1.02 | 0.08 | – | – |
| Number of metastases‡ | 0.45 | < 0.0001** | 0.44 (0.25–0.78) | 0.0007** |
| Size of metastasis (cm)‡ | 0.85 | 0.04* | 0.86 (0.71–1.04) | 0.11 |
| Location of metastasis | ||||
| lung (n = 9) | 0.35 (0.08–1.56) | 0.27 | – | – |
| bone (n = 15) | 0.43 (0.12–1.51) | 0.22 | – | – |
| abdomen or retroperitoneum (n = 11) | 0.048 (0.005–0.42) | 0.001** | 0.09 (0.008–0.95) | 0.002** |
| liver (n = 9) | 0.62 (0.14–2.66) | 0.71 | – | – |
aNED: Status after completion of radical or semi-radical treatment for all of the remaining tumor
bInterval from primary diagnosis to the first metastasis. It was defined as 0 month in M1 patients
‡calculated by unit odds ratio, *p < 0.05, **p < 0.01