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Table 3 The Pearson correlation coefficient of peak VO2, 2 questionnaire and TCM inquiry

From: Validation of a new simple scale to measure symptoms in heart failure from traditional Chinese medicine view: a cross-sectional questionnaire study

 

VO2peak

PCS

MCS

MLHFQ

TCM inquiry

Correct rate (%)

NYHA Fc prediction

VO2peak

--

0.411 (0.005)

0.251 (0.025)

−0.272 (0.001)

−0.202 (0.04)

100

PCS

 

--

0.195 (0.037)

−0.538 (<0.001)

−0.532 (<0.001)

63.5

MCS

  

--

−0.662 (<0.001)

−0.463 (<0.001)

60.0

MLHFQ

   

--

0.622 (<0.001)

60.0

TCM inquiry

    

-

64.3

  1. Pearson’s correlation ( ) is the P value
  2. VO 2 oxygen consumption, TCM traditional Chinese medicine, PCS physical component score of short form 36, MCS mental component score of short from 36, MLHFQ Minnesota Living with Heart Failure Questionnaire, NYHA Fc New York Heart Association functional class