Table 2 Univariate and multivariate Cox proportional hazard models for overall survival

 Female

N/A

N/A

1.0 (Reference)

 Male

N/A

N/A

1.33 (1.00–1.78)

.053

  ≤ 70

N/A

N/A

1.0 (Reference)

  > 70

N/A

N/A

1.41 (1.01–1.97)

.04

 T0

N/A

N/A

1.0 (Reference)

 T1

N/A

N/A

1.36 (0.53–3.54)

.53

 T2

N/A

N/A

2.85 (1.33–6.12)

.007

 T3

N/A

N/A

3.13 (1.44–6.83)

.004

 0–3

N/A

N/A

1.0 (Reference)

 4+

N/A

N/A

1.63 (1.11–2.40)

.01

  < 5

1.0 (Reference)

1.0 (Reference)

  ≥ 5

1.80 (1.22–2.64)

.003

2.13 (1.41–3.22)

.002

  < 144.4

1.0 (Reference)

N/A

N/A

  ≥ 144.4

1.02 (0.78–1.34)

.889

N/A

N/A

  < 2.9

1.0 (Reference)

N/A

N/A

  ≥ 2.9

0.82 (0.63–1.08)

.156

N/A

N/A

 No

N/A

N/A

1.0 (Reference)

 Yes

N/A

N/A

1.51 (0.99–2.31)

.055

Complication Grade (3–4)^b

N/A

N/A

2.37 (1.57–3.57)

<.0001

Positive Nodes

N/A

N/A

1.07 (1.03–1.12)

.002