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Table 3 p value of log-rank test and HRs of Cox regression on RFS comparing breast cancer patients with different HGs and predicted groups in HG2 tumours

From: Determining breast cancer histological grade from RNA-sequencing data

 

N

Events

Log-rank test

HR unadjusted a

HR adjusted b

   

(p value)

(95 % CI)

(95 % CI)

Histologic grades

     

HG1

98

6

0.017

1.00 (Reference)

1.00 (Reference)

HG3

294

44

 

2.62 (1.04–6.61)

2.02 (0.76–5.40)

GGI

     

Low risk

223

12

0.010

1.00 (Reference)

1.00 (Reference)

High risk

110

15

 

2.64 (1.23–5.70)

3.04 (1.35–6.81)

TG-Gene

     

Low risk

228

13

0.018

1.00 (Reference)

1.00 (Reference)

High risk

105

14

 

2.43 (1.13–5.20)

2.50 (1.14–5.50)

TG-Iso

     

Low risk

216

11

0.014

1.00 (Reference)

1.00 (Reference)

High risk

117

16

 

2.53 (1.17–5.47)

2.64 (1.20–5.79)

SC-Gene

     

Low risk

198

14

0.584

1.00 (Reference)

1.00 (Reference)

High risk

117

11

 

1.25 (0.56–2.78)

1.23 (0.54–2.77)

SC-Iso

     

Low risk

208

14

0.393

1.00 (Reference)

1.00 (Reference)

High risk

107

11

 

1.41 (0.64–3.14)

1.45 (0.65–3.24)

  1. GGI genomic grade index, sHR hazard ratio, RFS recurrence-free survival
  2. aHR unadjusted, only stratified by data set
  3. bHR adjusted for age, tumour size, lymph node status and ER status, stratified by data set
  4. p<0.05