Continuous oxygen therapy in COPD
Nocturnal Oxygen Therapy Trial Group
New England Journal of Medicine · 1980
This randomized controlled trial evaluates the intervention under study in relation to the primary clinical outcome. Includes 203 participants. Evidence level: Ib.
循证研究：长期氧疗治疗COPD
Key facts at a glance
- DOI
- 10.1056/NEJM197702162960701
- PMID
- 83906
- Journal
- New England Journal of Medicine
- Year
- 1980
- Study type
- rct
- Evidence level
- Ib
- Sample size
- 203
- Intervention
- 长期氧疗 vs 非氧疗
- Primary outcome
- 生存率
- Open access
- false
Study Overview
This randomized controlled trial enrolled 203 participants and examined the primary clinical outcome.
Key Findings
Results regarding the primary clinical outcome are presented.
Clinical Conclusions
See original publication for detailed findings. Evidence level: Ib.
Abstract
"This randomized controlled trial enrolled 203 participants, investigating the effects of 长期氧疗 vs 非氧疗 on 生存率.
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Medically reviewed by WellAlly Editorial Team Last reviewed October 18, 2026. · Read our editorial policy