Risk Factor in Model(s)

(Three) Unadjusted Models

Fully Adjusted Model

(n = 175 with 145 events)

Reduced Model

(n = 175 with 145 events)

Histology that is not clear cell

1.54 (95%CI: 1.11 to 2.14), p ≤ 0.01

N = 182 with 150 events

1.25 (95% CI: 0.89, 1.78) p = 0.1989

[not in model]

Positive lymph nodes

2.78 (95% CI: 1.82 to 4.24), p ≤ 0.01

N = 176 with 146 events

2.31 (95% CI: 1.47, 3.63) p ≤ 0.01

2.49 (95% CI: 1.61 to 3.85)

p ≤ 0.01

Perinephric fat involvement

1.73 (95% CI: 1.24 to 2.41), p ≤ 0.01

N = 181 with 149 events

1.49 (95% CI: 1.05, 2.12) p = 0.0255

1.52 (95% CI: 1.08 to 2.16)

p = 0.017