Key result
Higher state anger scores were significantly correlated with decreased heart rate variability indices such as SDNN (r=-0.181, p=0.031) and total power (r=-0.177, p=0.035), whereas depression and anxiety scores showed no significant correlations.
Why the study?
The study aimed to evaluate the relationship between HRV indices and emotional questionnaire scores to find effective ways to assess patients' emotional and physical condition.
Is there a relationship between Heart Rate Variability (HRV) indices and emotional questionnaire scores (BDI, STAI, STAXI) in outpatients?
Cross-Sectional (n=144)
No
Is there a relationship between Heart Rate Variability (HRV) indices and emotional questionnaire scores (BDI, STAI, STAXI) in outpatients?
Heart rate variability indices such as SDNN, TP, and RMSSD are significantly associated with state anger and anger-in scores, suggesting HRV can be used to evaluate emotional changes related to anger.
Objectives : This study aims to evaluate the relationship between HRV indices and scores of emotional questionnaires and to find out the effective way to assess patients emotional and physical condition. Methods : We selected 144 patients who had both HRV data and BDI, STAI and STAXI scores on the chart among outpatients from July 2006 to December 2010. The relationship between the scores rated from the questionnaires and HRV indices are analyzed. And the HRV indices of patients included in the top 30 percent group and the bottom 30% group are compared. Results : 1. There were no significant correlations between HRV indices and scores of BDI, STAI and trait anger of STAXI. 2. SDNN and TP of HRV significantly decreased with higher state anger scores of STAXI. The top 30 percent group of state anger had lower SDNN, TP, LF, HF and HRV-index and higher pNN50 than the bottom 30 percent group. 3. RMSSD of HRV significantly decreased with higher anger-in scores of STAXI. The top 30 percent group of anger-in had lower RMSSD than the bottom 30 percent group. Conclusions : HRV can be used to evaluate emotional and physical changes related to state anger and inappropriate anger expression.
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Kim et al. (2011) conducted a cross-sectional in Stress-related symptoms (e.g., Hwabyung, insomnia) (n=144). Emotional states (BDI, STAI, STAXI scores) vs. Lower scores / bottom 30% group was evaluated on Correlation between HRV indices (SDNN, TP) and state anger scores (r = -0.181, p=0.031). Higher state anger scores were significantly correlated with decreased heart rate variability indices such as SDNN (r=-0.181, p=0.031) and total power (r=-0.177, p=0.035), whereas depression and anxiety scores showed no significant correlations.
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