ArticleCancer medicine2026
Heart Rate Variability as a Biomarker for Posttraumatic Growth: A Comparative Study of Brain Tumor Patients and Caregivers.
Article in Cancer medicine, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
objectiveTo explore the levels and group differences of posttraumatic growth and heart rate variability in a sample of brain tumor patients and their caregivers.
methodsConvenience sampling method was adopted, and general information questionnaire, posttraumatic growth scale, and heart rate variability test were applied to survey and test a total of 55 dyads of brain tumor patients and their caregivers (110 participants) who were hospitalized in a tertiary-level hospital in Guangzhou City.
resultsThe posttraumatic growth scores of brain tumor patients and their caregivers were 59.00 (44.00, 71.00) and 65.00 (56.00, 73.00), respectively. Analysis of variance showed that total power [TP], high frequency power [HF], and low frequency power [LF] were higher in caregivers than in brain tumor patients, and the results were significantly different (t = -4.424 to -2.194, p
conclusionsSignificant differences in HRV metrics across populations (patients vs. caregivers) and individuals with different levels of posttraumatic growth suggest that HRV may serve as a biomarker for assessing posttraumatic growth.
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