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Neutrophil-to-lymphocyte ratio as a predictive biomarker for moderate-severe ARDS in severe COVID-19 patients
Aijia Ma1, Jiangli Cheng1, Jing Yang1
1Department of Critical Care Medicine, West China Hospital of Sichuan University, No. 37, Guoxue Alley, Chengdu, 610041, Sichuan Province, China.
Critical Care (London, England)
|June 7, 2020
Insights
This study registered a clinical trial on February 12, 2020, under the identifier ChiCTR2000029758. The registration was completed retrospectively, documenting the trial
Area of Science:
- Clinical Trials Methodology
- Biomedical Research Registration
Background:
- Importance of timely clinical trial registration.
- Challenges in retrospective registration.
Purpose of the Study:
- To retrospectively register trial ChiCTR2000029758.
- To ensure data transparency and research integrity.
Main Methods:
- Utilized the Chinese Clinical Trial Registry (ChiCTR).
- Submitted registration details for trial ChiCTR2000029758.
- Completed registration retrospectively on February 12, 2020.
Main Results:
- Trial ChiCTR2000029758 successfully registered.
- Registration confirmed as retrospective.
Conclusions:
- Retrospective registration can be performed for clinical trials.
- Ensures adherence to research ethics and transparency standards.
Abstract
Trial Registration:
ChiCTR, ChiCTR2000029758. Registered 12 February 2020 - Retrospectively registered.

