De Morton Mobility Index is recommended for the evaluation of mobility in the evidence-based guidelines, in patients in intensive care units. The aim of our study is to examine the validity and reliability of the Turkish version of the De Morton Mobility Index in patients hospitalized in the respiratory intensive care unit.

De Morton Mobility Index is recommended for the evaluation of mobility in the evidence-based guidelines, in patients in intensive care units. The aim of our study is to examine the validity and reliability of the Turkish version of the De Morton Mobility Index in patients hospitalized in the respiratory intensive care unit.

Patients aged 18 years and over who were discharged from the ICU were included in our study.

We used De-Morton Mobility Index, Bartel Index, Katz Activities of Daily Living Rating Scale and MRC Muscle Strength Test for convergent validity. De-Morton Mobility assessment for test-retest reliability was performed again on the 1st day of the patient's service.

Inclusion Criteria:

• staying in intensive care unit for at least 24 hours
• able to cooperate
• being clinically stable for mobility assessment

Exclusion Criteria:

• the presence of neurological disease
• the presence of orthopedic problems such as fractures
• the presence of metastases
• the presence of cardiorespiratory instability

Patients aged above 18 years who stayed in the intensive care unit for at least 24 hours and were discharged from the ICU were included in our study.