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. Author manuscript; available in PMC: 2024 Jan 1.
Published in final edited form as: Int Forum Allergy Rhinol. 2023 Mar 30;13(7):1061–1482. doi: 10.1002/alr.23079

TABLE IX.E.8.

Evidence for surgery to improve work productivity

Study Year LOE Study design Study groups Clinical end-point Conclusion
Jennum and Kjellberg133 2011 2b Cross-sectional controlled study 1. Snoring
2. Sleep apnea
3. Obesity hypoventilation syndrome
4. Matched controls without sleep-disordered breathing		 Direct and indirect economic costs, mortality Sleep-disordered breathing has major socioeconomic consequences for the individual patient and society. Surgery can reduce workplace costs.
Zhang et al.2079 2020 4 Case series Minimally invasive surgery PSG, ESS, Work Ability Index PSG parameters and patients’ perception of their ability to work improved significantly.

Abbreviations: ESS, Epworth Sleepiness Scale; PSG, polysomnography.