Table 4 Forward model selection for disease-free and overall survival before matching.

From: The Impact of Blood Transfusion on Recurrence and Mortality Following Colorectal Cancer Resection: A Propensity Score Analysis of 4,030 Patients

 

HR

95% C.I.

p

Disease-free survival

 Blood transfusion

1.41

1.20–1.66

<0.001

 Pretreatment CEA*

1.84

1.60–2.10

<0.001

 Anaesthesia time**

1.28

1.06–1.53

0.010

Stage

  

<0.001

  II vs. I

2.83

2.03–3.95

<0.001

  III vs. I

5.82

4.20–8.07

<0.001

Lymphovascular invasion

1.37

1.14–1.64

0.001

Perineural invasion

1.73

1.4–2.15

<0.001

Signet-ring histology

1.6

1.13–2.26

0.009

Preoperative C/T ± R/T

2.19

1.77–2.71

<0.001

Postoperative R/T

2.22

1.50–3.29

<0.001

Overall survival

  Blood transfusion

1.97

1.6–2.43

<0.001

  Age

1.03

1.02–1.04

<0.001

  Gender (M vs. F)

1.25

1.01–1.54

0.042

  ASA class ≥ 3

1.62

1.30–2.04

<0.001

  Heart failure

1.42

1.05–1.92

0.023

  Chronic kidney disease

1.48

1.17–1.88

0.001

  Pretreatment CEA*

1.57

1.29–1.92

<0.001

Stage

<0.001

  II vs. I

1.3

0.93–1.8

0.122

  III vs. I

2.19

1.58–3.04

<0.001

Lymphovascular invasion

1.41

1.1–1.81

0.007

Perineural invasion

1.51

1.10–2.07

0.010

Preoperative C/T ± R/T

2.18

1.60–2.96

<0.001

  1. HR: hazard ratio; CEA: carcinoembryonic antigen; C/T: chemotherapy; R/T: radiotherapy; INR: international normalized ratio; ASA: American Society of Anesthesiologists.
  2. *On base-10 logarithmic scale; **On base-2 logarithmic scale.
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