Table 4a.
Multivariable Cox model for cancer-specific and overall survival after 9 months after diagnosis
| Cancer-specific survival | Overall survival | |||||
|---|---|---|---|---|---|---|
| HR | 95% CI | p value | HR | 95% CI | p value | |
| SWT (per mo) | 0.94 | 0.80–1.11 | 0.5 | 1.17 | 1.08–1.27 | 0.0002 |
| Gender | ||||||
| Female | Ref. | – | 0.004 | Ref. | – | 0.2 |
| Male | 2.14 | 1.28–3.56 | 1.21 | 0.91–1.62 | ||
| Race | ||||||
| White | Ref. | – | 0.4 | Ref. | – | >0.9 |
| Non-white | 1.36 | 0.65–2.85 | 0.99 | 0.59–1.65 | ||
| Age (per 5 yr) | 1.02 | 1.00–1.04 | 0.013 | 1.05 | 1.04–1.07 | <0.0001 |
| CCI | ||||||
| 0 | Ref. | – | 0.5 | Ref. | – | 0.5 |
| ≥ 1 | 1.16 | 0.72–1.88 | 1.11 | 0.80–1.53 | ||
| BMI | 1.01 | 0.97–1.04 | 0.8 | 1.00 | 0.97–1.02 | 0.8 |
| Presentation | ||||||
| Incidental | Ref | – | <0.0001 | Ref. | – | 0.002 |
| Local | 2.17 | 1.40–3.35 | 1.21 | 0.91–1.61 | ||
| Systemic | 4.37 | 2.35–8.10 | 2.25 | 1.43–3.54 | ||
| Tumor Size (per cm) | 1.12 | 1.06–1.18 | <0.0001 | 1.10 | 1.06–1.15 | <0.0001 |
| Tumor Histology | ||||||
| Non-clear cell | Ref. | – | 0.003 | Ref. | – | 0.009 |
| Clear cell | 2.33 | 1.34–4.07 | 1.52 | 1.11–2.08 | ||
HR = hazard ratio; CI = confidence interval; SWT = surgical waiting time; Ref = reference value; CCI = Charlson Comorbidity Index; BMI = body mass index.