Table S3.
Multivariate regression analysis of characteristics for cancer-specific survival in patients with age 65–74 years+ poorly differentiated or undifferentiated
| Variables | Multivariate analysis for CSS | p | |
|---|---|---|---|
| HR | 95% CI | ||
| Gender | |||
| Male | 1 (Referent) | ||
| Female | 1.143 | 0.349–3.746 | 0.825 |
| Race | |||
| White | 1 (Referent) | ||
| Black | 3.047 | 0.748–12.406 | 0.120 |
| Other | 0.656 | 0.066–6.505 | 0.719 |
| Marital status | |||
| Married | 1 (Referent) | ||
| Unmarried | 1.444 | 0.520–4.014 | 0.481 |
| Year of diagnosis | |||
| 1973–2009 | 1 (Referent) | ||
| 2010–2015 | 0.802 | 0.304–2.118 | 0.656 |
| Tumor site | |||
| Head | 1 (Referent) | ||
| Body/tail | 0.914 | 0.330–2.531 | 0.863 |
| Overlap | 0.719 | 0.168–3.090 | 0.658 |
| Other | 0.760 | 0.068–8.540 | 0.824 |
| Tumor size | |||
| ≤4 cm | 1 (Referent) | ||
| >4 cm | 0.841 | 0.302–2.341 | 0.740 |
| Unknown | 0.986 | 0.285–3.413 | 0.983 |
| Primary site surgery | |||
| No | 1 (Referent) | ||
| Yes | 0.621 | 0.174–2.218 | 0.463 |