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Table 5 Correlations between conventional coagulation tests and POC variables (n = 35)

From: Comparison of three point-of-care testing devices to detect hemostatic changes in adult elective cardiac surgery: a prospective observational study

Coagulation test

 

1 h postoperatively

24 h postoperatively

 

POC variable

p-value

R value

p-value

R value

Fibrinogen

     

TEG

    

TEG K

0.13

- 0.42

0.002

- 0.52

TEG alpha

0.004

0.48**

0.001

0.53**

TEG MA*

< 0.0005

0.76**

< 0.0005

0.63**

TEG G

< 0.0005

0.78**

< 0.0005

0.67**

RoTEM

    

EXTEM MCF*

< 0.0005

0.71**

0.001

0.58**

INTEM MCF*

0.001

0.53**

< 0.0005

0.63**

FIBTEM MCF*

< 0.0005

0.79**

0.003

0.50**

Sonoclot

    

Clot Rate*

0.002

0.53**

0.008

0.47**

Platelet count

     
 

TEG

    
 

TEG MA

0.67

0.08

0.009

0.44**

 

RoTEM

    
 

EXTEM MCF

< 0.001

0.53**

0.04

0.36

 

INTEM MCF

0.04

0.36

0.002

0.52

aPTT

     
 

Sonoclot

    
 

Son ACT

<0.0005

0.86**

0.001

0.58**

 

Clot Rate

<0.0005

- 0.67**

0.007

- 0.48**

  1. For variable definitions, see Table 1.
  2. *Statistically significant correlation preoperatively.
  3. **P-values < 0.01 were considered statistically significant.
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BMC Anesthesiology

ISSN: 1471-2253

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