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Table 4 Hazard ratios of the genetic alterations under investigation obtained by multivariate Cox regression models with backward elimination

From: Combination of mutations in genes controlling DNA repair and high mutational load plays a prognostic role in pancreatic ductal adenocarcinoma (PDAC): a retrospective real-life study in Sardinian population

Feature

HR

95% CI

p-value

Mutated (m)KRAS

–

–

–

Surgery

0.1238

0.0508 to 0.3020

 < 0.0001

Adjuvant therapy

–

–

–

T

–

–

–

N

2.7091

1.1919 to 6.1575

0.0170

M

–

–

–

mBRAF (nonV600) mNRAS (uncommon)

–

–

–

Surgery

0.1238

0.0508 to 0.3020

 < 0.0001

Adjuvant therapy

–

–

–

T

–

–

–

N

2.7091

1.1919 to 6.1575

0.0170

M

–

–

–

mPIK3CA

–

–

–

Surgery

0.1238

0.0508 to 0.3020

 < 0.0001

Adjuvant therapy

–

–

–

T

–

–

–

N

2.7091

1.1919 to 6.1575

0.0170

M

–

–

–

mCDKN2A

–

–

–

Surgery

0.1238

0.0508 to 0.3020

 < 0.0001

Adjuvant therapy

–

–

–

T

–

–

–

N

2.7091

1.1919 to 6.1575

0.1700

M

–

–

–

mTP53

–

–

–

Surgery

2.7091

1.1919 to 6.1575

 < 0.0001

Adjuvant therapy

–

–

–

T

–

–

–

N

2.7091

1.1919 to 6.1575

0.1700

M

–

–

–

mSMAD4

2.4987

1.0134 to 6.1607

0.0467

Surgery

0.0891

0.0331 to 0.2397

 < 0.0001

Adjuvant therapy

–

–

–

T

–

–

–

N

3.4631

1.4461 to 8.2934

0.0053

M

–

–

–

mPOLE / mPOLD1

–

–

–

Surgery

2.7091

1.1919 to 6.1575

 < 0.0001

Adjuvant therapy

–

–

–

pT

–

–

–

pN

2.7091

1.1919 to 6.1575

0.1700

M

–

–

–

mMMR genes

2.5218

0.8906 to 7.1406

0.0815

Surgery

0.0814

0.0278 to 0.2379

 < 0.0001

Adjuvant therapy

–

–

–

T

–

–

–

N

3.5458

1.4546 to 8.6434

0.0054

M

–

–

–

mDR genes

3.0126

1.0707 to 8.4764

0.0367

Surgery

0.0957

0.0306 to 0.2998

0.0001

Adjuvant therapy

0.3642

0.1100 to 1.2057

0.0980

T

–

–

–

N

0.2280

1.7129 to 10.4365

0.0180

M

–

–

–

Mutation load rate

1.0018

1.0005 to 1.0032

0.0090

Surgery

0.1417

0.0510 to 0.3933

0.0002

Adjuvant therapy

0.2807

0.0750 to 1.0498

0.0590

T

–

–

–

N

3.4240

1.2897 to 9.0905

0.0140

M

–

–

–

  1. In bold, significant values for molecular markers are indicated
  2. T, primary tumor; N, regional lymph node; M, distant metastasis