Table 3a.
Multivariable logistic regression model for recurrence within 2 years and 5 years after surgery
| Recurrence at 2 years | Recurrence at 5 years | |||||
|---|---|---|---|---|---|---|
| OR | 95% CI | p value | OR | 95% CI | p value | |
| SWT (per mo) | 0.98 | 0.87–1.12 | 0.8 | 1.00 | 0.89–1.13 | >0.9 |
| Gender | ||||||
| Female | Ref. | – | 0.011 | Ref. | – | 0.003 |
| Male | 1.87 | 1.16–3.04 | 2.01 | 1.28–3.17 | ||
| Race | ||||||
| White | Ref. | – | 0.2 | Ref. | – | 0.034 |
| Non-white | 1.66 | 0.82–3.37 | 2.26 | 1.06–4.79 | ||
| Age (per 5 yr) | 1.12 | 1.02–1.23 | 0.02 | 1.08 | 0.99–1.18 | 0.10 |
| CCI | ||||||
| 0 | Ref. | – | 0.002 | Ref. | – | 0.006 |
| ≥ 1 | 2.17 | 1.32–3.58 | 1.98 | 1.21–3.24 | ||
| BMI | 0.99 | 0.96–1.03 | 0.8 | 1.00 | 0.97–1.03 | >0.9 |
| Presentation | ||||||
| Incidental | Ref. | – | <0.0001 | Ref. | – | 0.0002 |
| Local | 2.74 | 1.74–4.32 | 2.08 | 1.37–3.17 | ||
| Systemic | 5.06 | 2.45–10.49 | 3.27 | 1.58–6.78 | ||
| Tumor Size (per cm) | 1.22 | 1.14–1.30 | <0.0001 | 1.19 | 1.11–1.27 | <0.0001 |
| Tumor Histology | ||||||
| Non-clear cell | Ref. | – | 0.0004 | Ref. | – | <0.0001 |
| Clear cell | 2.72 | 1.56–4.74 | 2.95 | 1.75–4.99 | ||
OR = odds ratio; CI = confidence interval; SWT = surgical waiting time; Ref = reference value; CCI = Charlson Comorbidity Index; BMI = body mass index.