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Table 3 Survival rates according to genomic regions

From: Impact of chromosomal instability on colorectal cancer progression and outcome

Genomic regions

S2S3PT (n=72)

RFS

OS

No. of relapse

HR

95% CI

3-year RFS rate (%)

No. of death

HR

95% CI

5-year OS rate (%)

chr16p13.3

Normal

49 (68.1%)

13

1

 

72.8

11

1

 

71.8

chr16:0-2,410,722

Gain

16 (22.2%)

5

1.21

[0.43;3.41]

73.7

4

1.05

[0.33;3.31]

62.7

167 genes

Loss

7 (9.7%)

4

10.9

[3.10;38.6]

0

4

5.33

[1.63;17.5]

22.2

    

p*=0.007

 

p**< 0.001

 

p*=0.05

 

p**=0.007

chr19q13.32-q13.33

Normal

47 (66.2%)

17

1

 

66.8

12

1

 

66.7

chr19:52,114,272-56,657,958

Gain

16 (22.5%)

1

0.17

[0.02;1.30]

91.7

3

0.77

[0.22;2.75]

80.4

285 genes

Loss

8 (11.3%)

4

5.04

[1.55;16.4]

26.3

4

4.36

[1.33;14.2]

23.8

 

Missing

1

        
    

p*=0.003

 

p**<0.001

 

p*=0.07

 

p**=0.016

  1. Abbreviations: RFS relapse-free survival, OS overall survival, HR hazard ratio, CI confidence interval, *, Likelihood ratio test; **, log-rank test.