Table 2 Correlation analysis between independent variables.

From: Path analysis of predictors of frailty in hospitalised patients with chronic obstructive pulmonary disease

 

Frail

Age

Multimorbidity

CAT score

Grip strength

GOLD stage

Frail

1

     

Age

0.349**

1

    

Multimorbidity

0.387**

0.216**

1

   

CAT score

0.357**

0.107

0.223**

1

  

Grip strength

− 0.459**

− 0.214**

− 0.220**

− 0.145*

1

 

GOLD stage

0.269**

0.051

0.171**

0.082

− 0.018

1

  1. *p < 0.05 **p < 0.01.
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