Table 3 Multivariate analysis of prognostic factors for OS.

From: Radiogenomics for predicting p53 status, PD-L1 expression, and prognosis with machine learning in pancreatic cancer

Multivariate analysis of prognositc factors for OS

 

OS

Variables

Hazard ratio

95% confidence limit

P value

Preoperative CA-19-9

  ≤137.4 (n = 54)

1

  

  >137.4 (n = 53)

2.157

1.293–3.597

0.003

Operation type

  PD (n = 70)

1

  

  DP/TP (n = 37)

0.4063

0.205–0.805

0.010

Operation time

  ≤311 (n = 55)

1

  

  >311 (n = 52)

1.376

0.771–2.456

0.280

Lymph node

  Negative (n = 31)

1

  

  Positive (n = 76)

4.058

1.969–8.362

<0.001

p53 status

  Negative (n = 32)

1

  

  Positive (n = 75)

2.802

1.532–5.127

0.001

PD-L1 status

  Negative (n = 71)

1

  

  Positive (n = 36)

1.970

1.094–3.547

0.024

  1. OS overall survival, PD pancreatoduodenectomy, DP/TP distal pancreatectomy and total pancreatectomy.
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