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Table 2 Univariate analysis of overall survival in correlation with the biomarkers analyzed

From: Circulating tumor cell gene expression and plasma AR gene copy number as biomarkers for castration-resistant prostate cancer patients treated with cabazitaxel

 

N. patients

N. events

Median OS (months)

(95% CI)

p (logrank)

HR

(95% CI)

p

(Cox)

AR-V7

 Not expressed

63

48

16.4 (11.3–25.9)

 

1.00

 

 Expressed

11

10

10.6 (1.3–16.7)

0.008

2.52 (1.24–5.12)

0.011

AKR1C3

 Not expressed

58

45

16.7 (12.4–22.7)

 

1.00

 

 Expressed

16

13

9.6 (4.6–12.8)

0.028

2.01 (1.06–3.81)

0.031

AKT2

 Not expressed

60

45

15.2 (11.1–22.7)

 

1.00

 

 Expressed

14

13

12.6 (5.0–18.1)

0.134

1.61 (0.86–3.00)

0.138

ALDH1

 Not expressed

67

54

14.0 (11.1–18.3)

 

1.00

 

 Expressed

7

4

27.0 (1.3–nr)

0.428

0.66 (0.24–1.84)

0.432

AR

 Not expressed

56

43

18.1 (13.0–25.9)

 

1.00

 

 Expressed

18

15

7.6 (3.7–12.4)

0.001

2.70 (1.46–5.01)

0.002

EPCAM

 Not expressed

37

25

25.9 (16.4–39.1)

 

1.00

 

 Expressed

37

33

9.8 (6.8–12.4)

< 0.0001

3.75 (2.10–6.71)

< 0.0001

PSMA

 Not expressed

48

36

18.1 (13.3–28.0)

 

1.00

 

 Expressed

26

22

10.2 (7.2–13.0)

0.009

2.09 (1.19–3.66)

0.010

MDK

 Not expressed

54

40

18.3 (13.3–27.0)

 

1.00

 

 Expressed

20

18

8.3 (3.9–12.4)

< 0.0001

3.35 (1.83–6.13)

< 0.0001

PIK3CA

 Not expressed

50

39

16.4 (11.1–22.7)

 

1.00

 

 Expressed

24

19

12.8 (5.2–22.0)

0.337

1.31 (0.75–2.28)

0.339

PSCA

 Not expressed

64

50

15.2 (11.7–22.6)

 

1.00

 

 Expressed

10

8

5.7 (1.3–16.4)

0.088

1.92 (0.90–4.10)

0.092

TUBB3

 Not expressed

69

54

14.3 (11.3–22.0)

 

1.00

 

 Expressed

5

4

3.1 (1.3–nr)

0.146

2.10 (0.75–5.86)

0.155

VIM

 Not expressed

14

13

11.5 (3.9–25.9)

 

1.00

 

 Expressed

60

45

15.2 (11.1–22.6)

0.105

0.60 (0.32–1.12)

0.109

PARP

 Not expressed

56

43

16.7 (11.3–22.7)

 

1.00

 

 Expressed

18

15

10.5 (4.6–15.2)

0.112

1.61 (0.89–2.91)

0.117

POU5F

 Not expressed

47

38

15.2 (11.3–22.6)

 

1.00

 

 Expressed

27

20

12.8 (6.8–34.4)

0.757

1.09 (0.63–1.88)

0.758

HPRT1

 Not expressed

44

33

18.3 (14.1–28.0)

 

1.00

 

 Expressed

30

25

8.6 (3.9–12.4)

0.0006

2.46 (1.44–4.18)

0.0009

  1. Abbreviations: pts patients, OS overall survival, CI confidence interval, HR hazard ratio, nr not reached