The investigators aimed to test the reliability and validity of the Chinese version of patient-completed CRS in hospitalized patients and to evaluate whether this form can be widely used in clinical practice instead of only health care workers' evaluation.

Inclusion Criteria:

• patients older than 18 years
• patients with first admission to the medical and surgical units within 24 hours
• willingness to participate in the study

Exclusion Criteria:

• patients with a diagnosis of PTE or DVT on admission
• patients with cognitive impairment
• inability to read or write
• patients with mental diseases
• patients with visual impairment
• refusal to cooperate

The investigators will recruite nearly 500 inpatients from the surgical unit and nearly 500 inpatients from the medical unit between January 1 and December 31, 2019