Table 4 Multivariate Cox regression hazards model for time to recurrence

From: Combined expression of caveolin-1 and an activated AKT/mTOR pathway predicts reduced disease-free survival in clinically confined renal cell carcinoma

(A) Prognostic indices/model including vascular invasion {enter function} ( n)

HR

95% CI

P -value

Grades 1 and 2 (112)

1

  

Grades 3 and 4 (48)

2.94

1.62–5.36

<0.01*

No capsular invasion present (134)

1

  

Capsular invasion present (26)

4.22

2.26–7.90

<0.01*

No vascular invasion present (97)

1

  

Vascular invasion present (63)

1.74

0.88–3.46

0.113

Caveolin/AKT covariate negative (137)

1

  

Caveolin/AKT covariate positive (23)

2.13

1.15–3.92

<0.02*

(B) Prognostic indices/model excluding vascular invasion {forward conditional} ( n)

HR

95% CI

P -value

Grades 1 and 2 (112)

1

  

Grades 3 and 4 (48)

3.58

2.05–6.24

<0.001*

No capsular invasion present (134)

1

  

Capsular invasion present (26)

5.17

2.88–9.29

<0.001*

Caveolin/AKT covariate negative (137)

1

  

Caveolin/AKT covariate positive (23)

2.26

1.23–4.16

0.009*

  1. CI=confidence interval; HR=hazard ratio.
  2. *Denotes significance P<0.05.