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Table 3 Univariate and multivariate Cox regression analysis of clinicopathologic features and TPS in the TCGA data set

From: A novel tumor purity and immune infiltration-related model for predicting distant metastasis-free survival in prostate cancer

Variables

Univariate Cox analysis

Multivariate Cox analysis

HR (95% CI)

P

HR (95% CI)

P

Age (years)

 ≤ 60

1.000 (reference)

NA

1.000 (reference)

NA

 > 60

1.385(0.331–5.799)

0.656

1.088(0.230–5.139)

0.915

 T stage

5.929(1.434–24.519)

0.014*

2.646(0.401–17.433)

0.312

N stage

 No

1.000 (reference)

NA

1.000 (reference)

NA

 Yes

8.038(1.907–33.877)

0.005**

7.486(1.179–47.529)

0.033*

Gleason

 ≤ 7

1.000 (reference)

NA

1.000 (reference)

NA

 > 7

8.334(1.025–67.752)

0.047*

3.176(0.332–30.389)

0.316

 TPS

1.065(1.028–1.103)

 < 0.001***

1.082(1.033–1.134)

 < 0.001***

  1. TPS tumor purity score, CI confidence intervals, HR hazard ratio, NA: not applicable
  2. *p value < 0.05; **p value < 0.01; ***p value < 0.001