Table 3.
Univariate analysis of prognostic risk factors.
| Covariate | HR (95% CI) | p | HR (95% CI) | p |
|---|---|---|---|---|
| All patients | N0M0 patients | |||
| Gender | 0.99 (0.54–1.80) | 0.971 | 1.12 (0.45–2.82) | 0.807 |
| Age | 1.00 (0.97–1.03) | 0.949 | 0.98 (0.95–1.02) | 0.373 |
| Symptoms | 1.73 (0.90–3.31) | 0.102 | 1.45 (0.56–3.79) | 0.446 |
| Tumor position | 0.81 (0.46–1.42) | 0.461 | 0.90 (0.37–2.16) | 0.806 |
| Preoperative embolization | 1.18 (0.65–2.11) | 0.592 | 1.37 (0.54–3.43) | 0.507 |
| Tumor size | 1.06 (0.96–1.17) | 0.242 | 1.03 (0.88–1.21) | 0.705 |
| Tumor thrombus level | 1.26 (0.91–1.75) | 0.167 | 1.91 (1.24–2.95) | 0.003 |
| Perinephric fat invasion | 1.08 (0.62–1.90) | 0.783 | 0.59 (0.23–1.48) | 0.259 |
| Adrenal gland invasion | 5.65 (2.59–12.35) | <0.001 | 3.14 (0.659–14.933) | 0.151 |
| T | 1.65 (1.24–2.21) | 0.001 | 1.92 (1.25–2.94) | 0.003 |
| N | 4.94 (2.51–9.74) | <0.001 | ||
| M | 4.35 (2.45–7.72) | <0.001 | ||
| Histological subtype | 1.021 (0.87–1.21) | 0.803 | 0.90 (0.67–1.22) | 0.509 |
| Fuhrman grade | 1.74 (1.01–3.00) | 0.045 | 1.54 (0.65–3.66) | 0.327 |