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Purpose <p>Long COVID-19 is a growing public health concern, but its long-term burden and predictors remain underexplored, particularly in underrepresented populations.</p> Methods <p>This four-year prospective cohort study was conducted in Saudi Arabia, enrolling adults with confirmed acute COVID-19 from multiple affiliated healthcare centers between March 2020 and March 2024. Of 1,521 screened patients, 816 were enrolled and followed for up to four years (median: 24 months). Per WHO criteria, participants were classified as having long COVID-19 (<i>n</i> = 238) or resolved infection (<i>n</i> = 578). Demographics, comorbidities, vaccination, reinfection, and acute illness severity were recorded. Health-related quality of life (HRQoL) was assessed using SF-36 and EQ-5D-5&#xa0;L. Logistic regression identified predictors of long COVID-19, and Cox proportional hazards models evaluated time to recovery.</p> Results <p>Fatigue (57.1%), post-exertional malaise (45.8%), cough (41.2%), and cognitive dysfunction (30.7%) were the most common persistent symptoms. Female sex (adjusted OR 11.11; 95% CI: 4.48–26.24) and diabetes mellitus (adjusted OR 14.3; 95% CI: 7.0–29.4) independently predicted long COVID-19. Delayed recovery was associated with female sex (aHR 3.36; 95% CI: 1.85–6.10), diabetes (aHR 1.57; 95% CI: 1.00–2.46), reinfection (aHR 1.86; 95% CI: 1.05–3.29), and hospitalization (aHR 1.08; 95% CI: 1.01–1.16). HRQoL scores remained significantly lower at 6 and 12 months. In the long COVID-19 group, 38.7% of patients normally resumed work within 12 months, compared to 82.3% in the resolved COVID-19 group.</p> Conclusions <p>Nearly 29% of post-acute COVID-19 patients developed long COVID-19 in this Middle Eastern cohort. Female sex, diabetes, reinfection, and hospitalization predicted delayed recovery. Persistent symptoms and impaired HRQoL highlight the need for early risk stratification and structured post-COVID care.</p>

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Long COVID-19: a Four-Year prospective cohort study of risk factors, recovery, and quality of life

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2025年8月30日

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  • Sanaa M. Kamal,
  • Mohammed S. Al Qahtani,
  • Ali Al Aseeri,
  • Mohey El Deen Mohamed Naghib,
  • Adul Majeed Mazroua Al Mazroua,
  • Abdulaziz M. M. Alshamrani,
  • Mohamed Mazroua Al Mazroua,
  • Faisal S. F. AlHarbi

摘要

Purpose

Long COVID-19 is a growing public health concern, but its long-term burden and predictors remain underexplored, particularly in underrepresented populations.

Methods

This four-year prospective cohort study was conducted in Saudi Arabia, enrolling adults with confirmed acute COVID-19 from multiple affiliated healthcare centers between March 2020 and March 2024. Of 1,521 screened patients, 816 were enrolled and followed for up to four years (median: 24 months). Per WHO criteria, participants were classified as having long COVID-19 (n = 238) or resolved infection (n = 578). Demographics, comorbidities, vaccination, reinfection, and acute illness severity were recorded. Health-related quality of life (HRQoL) was assessed using SF-36 and EQ-5D-5 L. Logistic regression identified predictors of long COVID-19, and Cox proportional hazards models evaluated time to recovery.

Results

Fatigue (57.1%), post-exertional malaise (45.8%), cough (41.2%), and cognitive dysfunction (30.7%) were the most common persistent symptoms. Female sex (adjusted OR 11.11; 95% CI: 4.48–26.24) and diabetes mellitus (adjusted OR 14.3; 95% CI: 7.0–29.4) independently predicted long COVID-19. Delayed recovery was associated with female sex (aHR 3.36; 95% CI: 1.85–6.10), diabetes (aHR 1.57; 95% CI: 1.00–2.46), reinfection (aHR 1.86; 95% CI: 1.05–3.29), and hospitalization (aHR 1.08; 95% CI: 1.01–1.16). HRQoL scores remained significantly lower at 6 and 12 months. In the long COVID-19 group, 38.7% of patients normally resumed work within 12 months, compared to 82.3% in the resolved COVID-19 group.

Conclusions

Nearly 29% of post-acute COVID-19 patients developed long COVID-19 in this Middle Eastern cohort. Female sex, diabetes, reinfection, and hospitalization predicted delayed recovery. Persistent symptoms and impaired HRQoL highlight the need for early risk stratification and structured post-COVID care.