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Table 2 Correlation of methods for adherence measurement

From: Adherence evaluation of endocrine treatment in breast cancer: methodological aspects

 

Self-report (n = 186)

Physician rating (n=211)

Prescription refill (n=121)

Plasma concentration (n=223)

 

r

p

r

p

r

p

r

p

Self-report

1

-

0.369

<0.001*

0.189

0.050*

0.223

0.002*

Physician rating

  

1

-

0.243

0.006*

0.265

<0.001*

Prescription refill

    

1

-

0.251

0.005*

Plasma concentration

      

1

-

  1. *indicates significant correlation (p<0.05).