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Purpose <p>The aim of this study was to investigate the impact of post-exertional malaise (PEM) frequency and PEM severity on health-related quality of life (HRQoL) among individuals with Long COVID.</p> Methods <p>We conducted a cross-sectional online survey including adults in Germany with self-reported Long COVID and PEM. Fatigue severity was assessed with the Fatigue Assessment Scale (FAS), and HRQoL was measured using the EQ-5D-3L (descriptive index and visual analogue scale [EQ-VAS]). Associations between PEM frequency, fatigue, and HRQoL were examined using correlations and non-parametric group comparisons. Multiple linear regression models were fitted to predict HRQoL while controlling for age, sex, employment status, and subjective social status.</p> Results <p>Higher PEM frequency was associated with significantly lower EQ-5D index scores (ρ = − 0.32, <i>p</i>&lt;.001). PEM severity was also strongly correlated with reduced HRQoL (EQ-5D index: ρ = − 0.43, <i>p</i>&lt;.001). In multivariable regression models, greater fatigue and higher PEM frequency independently predicted poorer HRQoL, even after adjustment for sociodemographic factors.</p> Conclusion <p>Both PEM frequency and PEM severity substantially impair HRQoL in individuals with Long COVID. These findings underscore the clinical relevance of PEM as a key symptom and highlight the need for targeted management strategies to mitigate its impact on daily life.</p> Clinical trial number <p>German Clinical Trials Register DRKS00026007; registration date: 9 September 2021.</p>

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Impact of post-exertional malaise frequency and fatigue in Long COVID patients on health-related quality of life

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2026年5月11日

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  • Theresa Thölking,
  • Frank Müller,
  • Tim Riester,
  • Viktoria Lampe,
  • Lena-Marie Theil,
  • Eva Hummers,
  • Kousha Sarpari,
  • Alexandra Dopfer-Jablonka,
  • Christine Happle,
  • Sandra Steffens,
  • Mareike Meier-Maiwald,
  • Marie Mikuteit,
  • Dominik Schröder

摘要

Purpose

The aim of this study was to investigate the impact of post-exertional malaise (PEM) frequency and PEM severity on health-related quality of life (HRQoL) among individuals with Long COVID.

Methods

We conducted a cross-sectional online survey including adults in Germany with self-reported Long COVID and PEM. Fatigue severity was assessed with the Fatigue Assessment Scale (FAS), and HRQoL was measured using the EQ-5D-3L (descriptive index and visual analogue scale [EQ-VAS]). Associations between PEM frequency, fatigue, and HRQoL were examined using correlations and non-parametric group comparisons. Multiple linear regression models were fitted to predict HRQoL while controlling for age, sex, employment status, and subjective social status.

Results

Higher PEM frequency was associated with significantly lower EQ-5D index scores (ρ = − 0.32, p<.001). PEM severity was also strongly correlated with reduced HRQoL (EQ-5D index: ρ = − 0.43, p<.001). In multivariable regression models, greater fatigue and higher PEM frequency independently predicted poorer HRQoL, even after adjustment for sociodemographic factors.

Conclusion

Both PEM frequency and PEM severity substantially impair HRQoL in individuals with Long COVID. These findings underscore the clinical relevance of PEM as a key symptom and highlight the need for targeted management strategies to mitigate its impact on daily life.

Clinical trial number

German Clinical Trials Register DRKS00026007; registration date: 9 September 2021.