Table 3.
Multivariate logistic regression analysis on bone metastasis from SEER database.
| Character | SEER database | |
|---|---|---|
| Odds Ratio (95%CI) | P value | |
| Age | ||
| <50 | ref. | |
| 50–59 | 0.833 (0.564-1.231) | 0.361 |
| 60–69 | 0.870 (0.595-1.272) | 0.473 |
| 70–79 | 0.866 (0.586-1.278) | 0.469 |
| >80 | 1.210 (0.796-1.840) | 0.371 |
| Race | ||
| White | ref. | |
| Black | 0.925 (0.777-1.100) | 0.377 |
| Asian or Pacific Islander | 0.859 (0.643-1.149) | 0.307 |
| Marital statusa | ||
| Single | ref. | |
| Married | 0.725 (0.604-0.872) | 0.001 |
| Divorced/seprated/window/domestic partner | 0.829 (0.664-1.036) | 0.100 |
| Rural-urban | ||
| Urban | ref. | |
| Rural | 1.186 (1.000-1.405) | 0.049 |
| Composite SESb | ||
| ≤3 | ref. | |
| 4-10 | 0.836 (0.680-1.027) | 0.089 |
| ≥11 | 0.879 (0.687-1.125) | 0.307 |
| PSA (ng/mL) | ||
| <10 | ref. | |
| 10-20 | 1.319 (1.069-1.627) | 0.010 |
| >20 | 3.793 (3.209-4.481) | <0.001 |
| Gleason Score | ||
| ≤6 | ref. | |
| 7 | 0.932 (0.204-4.256) | 0.928 |
| ≥8 | 2.567 (0.713-9.246) | 0.149 |
| Gradec | ||
| G1 | ref. | |
| G2 | 1.568 (0.234-10.523) | 0.643 |
| G3 | 3.028 (0.459-19.937) | 0.249 |
| G4 | 3.062 (0.415-22.594) | 0.273 |
| T stage | ||
| T1 | ref. | |
| T2 | 0.813 (0.678-0.974) | 0.025 |
| T3 | 0.183 (0.152-0.220) | <0.001 |
| T4 | 0.272 (0.222-0.333) | <0.001 |
| N stage | ||
| N0 | ref. | |
| N1 | 0.181 (0.157-0.207) | <0.001 |
| Surgery | ||
| Yes | ref. | |
| Not-Recommended | 7.165 (6.144-8.356) | <0.001 |
| Refused | 4.462 (3.061-6.505) | <0.001 |
| Radiation | ||
| Yes | ref. | |
| No | 1.757 (1.522-2.029) | <0.001 |
aDivorced includes separated; Single includes unmarried and widowed.
bComposite socioeconomic status.
cG1: well differentiated; G2: moderately differentiated; G3: poorly differentiated; G4: undifferentiated; NOS: not otherwise specified; SEER: Surveillance, Epidemiology, and End Results.