Eligibility Module

Eligibility Module

The Eligibility Module contains detailed information about who can participate in the clinical trial. This includes eligibility criteria, age restrictions, gender requirements, healthy volunteer status, and study population descriptions, helping researchers understand who is eligible to participate in the study.

Eligibility Module path is as follows:

Study -> Protocol Section -> Eligibility Module

Eligibility Module


Ignite Creation Date: 2025-12-26 @ 11:00 AM
Ignite Modification Date: 2025-12-26 @ 11:00 AM
NCT ID: NCT04429906
Eligibility Criteria: Inclusion Criteria: 1. Inpatients in the Department of Respiratory and Critical Care at Peking University First Hospital 2. Oxygen intake or no oxygen intake when enrolled: 80%≤SaO2/SpO2≤100% 3. Age between 18 and 85 years, either gender 4. COHb\<3%, MetHb\<2%; 5. Sign an informed consent or sign an informed consent by a legally authorized representative; 6. Be willing and able to follow the research program. Exclusion Criteria: 1. current smokers or those exposed to high levels of carbon monoxide. 2. critically ill patients who are in a state of shock, resulting in peripheral circulation disorders. 3. Patients with hypothermia below 35°C. 4. Patients with bilateral wrist and hand oedema, soft tissue damage to the wrist, skin incomplete and unable to wear a watch/ bracelet. 5. Vascular blood supply abnormalities of both upper limbs (occlusion, thrombosis, post-trauma, etc.), which affects the test results 6. Patients with bilateral upper extremity pigmentation affecting the test results; 7. Patients with limb mobility impairment due to severe cerebrovascular disease sequelae. 8. Patients with severe mental system disease that makes it impossible to cooperate with the researchers.
Healthy Volunteers: False
Sex: ALL
Minimum Age: 18 Years
Maximum Age: 85 Years
Study: NCT04429906
Study Brief:
Protocol Section: NCT04429906