Table 2.
Logistic regression model of factors associated with lymphadenectomy
| OR Point Estimate (95% Wald CI) | p Value (chi-square) | |
|---|---|---|
| Age | 0.98 (0.97–0.99) | 0.001 |
| Institution type (vs academic): | ||
| CCOP | 0.61 (0.48–0.79) | <0.0001 |
| Affiliate | 0.74 (0.59–0.95) | 0.02 |
| Primary nephrectomy (radical vs partial) | 2.48 (1.41–4.36) | 0.002 |
| AJCC stage: | ||
| 2 vs 1 | 2.05 (1.24–3.38) | 0.005 |
| 3 vs 1 | 2.91 (1.81–4.69) | <0.0001 |
| 4 vs 1 | 1.83 (0.68–4.92) | 0.23 |
| Surgical method (open vs laparoscopic) | 2.61 (2.11–3.24) | <0.0001 |
| Side involved (vs lt): | ||
| Rt | 0.74 (0.60–0.91) | 0.004 |
| Bilat | 2.26 (0.18–27.75) | 0.52 |
| Adrenalectomy (vs no adrenalectomy): | ||
| Yes (partial) | 2.82 (2.26–3.52) | <0.0001 |
| Yes (full) | 1.73 (1.19–2.50) | 0.004 |
| Missing | 1.92 (0.93–3.99) | 0.08 |
| Sarcomatoid features (yes vs no) | 1.99 (1.40–2.81) | <0.0001 |