Investigate the prevalence of PADIS in EICU, as well as the awareness and clinical implementation status of medical staff towards PADIS.

The investigators conducted a multicenter cross-sectional survey in mainland China, including a one-day point prevalence investigation and a questionnaire survey. The inclusion criteria encompassed all adult patients admitted to the participating emergency department intensive care units (EDICUs) during the on-site screening, while exclusion criteria comprised patients aged less than 18 years, EDICU stays duration less than 24 hours before the screening, and participation in other concurrent trials. Hospital and nursing records from the 24 hours preceding enrollment were examined to document the assessment rate of pain, agitation-sedation, and delirium. Physicians and nurses on duty 24 hours before the patients' enrollment was invited to complete the questionnaire survey regarding the ICU profiles, professional expertise, assessment and treatment of PAD, early mobilization, and sleep improvement practices.

Inclusion Criteria:

• All patients admitted to the participating EDICU during the on-site investigation

Exclusion Criteria:

• Age less than 18 years;
• EDICU stay duration before the screening was less than 24 hours
• Enrollment in other concurrent trials.

All patients admitted to the participating EDICU during the on-site investigation were eligible for enrollment in this study. However, patients meeting the following criteria were excluded: 1) age less than 18 years; 2) EDICU stay duration before the screening was less than 24 hours; 3) enrollment in other concurrent trials.