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Table 5 Correlation analysis results of HRV, PSS and PHQ-9 scores

From: Prediction of the efficacy of group cognitive behavioral therapy using heart rate variability based smart wearable devices: a randomized controlled study

Symptom measures

Heart rate variability

Mean hr

Min hr

LF/HF

LFnu

HFnu

rho

P

Rho

P

rho

P

rho

P

rho

P

PHQ-9 score

−0.313

0.01

−0.228

0.048

0.49

< 0.001

0.49

< 0.001

−0.49

< 0.001

PSS-14 score

−0.313

0.01

−0.253

0.02

0.30

0.01

0.283

0.02

−0.283

0.02

  1. PHQ-9: Patient Health Questionnaire 9-item; PSS-14: Perceived Stress Scale 14-item
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BMC Psychiatry

ISSN: 1471-244X

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