Validity and Reliability of Korean Version of AM-PAC Inpatient Short Form (Low Function) in Critically Ill Patients

The Activity Measure for Post Acute Care (AM-PAC) inpatient short form (low function) evaluates the level of assistance a patient requires another person to provide for distinct functional mobility and daily activities. The objective of the study was to translate and cross-culturally adapt the AM-PAC (low function) into Korean version and assess its reliability and validity .

Independent raters assessed 38 patients from ICU using the Korean version of AM-PAC, respectively. Intra-class correlation coefficients (ICCs) and Bland-Altman's plots were used to evaluate reliability, and Cronbach's alpha for internal consistency. Validity was evaluated using Spearman's correlation analysis with other physical function assessment tools (functional status score for the ICU(FSS-ICU), Medical Research Council-sum score(MRC-SS), hand grip strength) and other unrelated factors (body mass index, glucose level).

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Key information

Conditions

Post Intensive Care Syndrome Intensive Care Unit Acquired Weakness postintensive care syndrome

Age range

18 year and older

Sex eligibility

All sexes

Study type

Observational

Primary location

Seoul National University Hospital

Seoul, 03080, South Korea

About this study

An expert committee in intensive care unit (ICU) rehabilitation supervised the forward and backward translation process and to finalize the Korean version of AM-PAC (low function).

First evaluation of AM-PAC basic mobility and daily activity inpatient short forms was conducted on the first rehabilitation treatment day in ICU by the primary therapist. Subsequently, follow-up evaluations are conducted at 2 weeks and 4 weeks until the patient is discharged. Paired raters observed and recorded the scores independently. Each therapist was unaware of the other rater's scores, and they did not communicate verbally during the assessment. Starting with the first evaluation in the ICU, the same inter-rater reliability evaluation was performed in week 2 and week 4.

Raters assessed 38 patients from Medical ICU using the Korean version of AM-PAC. Intra-class correlation coefficients (ICCs) and Bland-Atman's plots were used to evaluate reliability, and Cronbach's alpha for internal consistency.

Then, convergent validity was evaluated using Spearman's correlation analysis between AM-PAC score and other physical function assessment tools (FSS-ICU, MRC-sum score, hand grip strength), and divergent validity was evaluated using correlation analysis between AM-PAC score and BMI or serum glucose level.

Who can participate

Healthy volunteers accepted: No

Only the study team can determine whether someone qualifies for participation.

Inclusion criteria

All patients above 18 years who were admitted to the Medical ICU and were expected to remain in the ICU for at least two days, were eligible for inclusion.

Exclusion criteria

Patients who were medically unstable to start rehabilitation in ICU or when mobilization was contraindicated by the medical team were excluded

Treatment and study plan

AM-PAC inpatient short form (low function)

Other

The Activity Measure for Post-Acute Care(AM-PAC) "6-clicks" instruments have advantages in that they are simple and quick to complete, easy to use within usual care and has been validated in the entire hospital population. It has gained broad adoption in acute care hospital and, although it includes items for people at lower levels of function, there is a concern of a floor effect in ICU measurement. So, new AM-PAC items are developed to measure physical function at the lowest level and added 2 new items to AM-PAC inpatient mobility short form. It lowered the floor effect and increased statistical power, measurement breath, and sensitivity.

2 new items

Turning head
Following simple instructions

Primary outcomes

Inter-rater reliability

Time frame: enrollment day, 2week, 4week

two-way, mixed effect intra-class correlation coefficient (ICC) and Bland Altman's plot between each independent, blinded rater's AM-PAC scores
Concurrent Validity

Time frame: enrollment day, 2week, 4week

Convergent validity using Spearman's correlation analysis between AM-PAC score and FSS-ICU, MRC-sum score, hand grip strength; Divergent validity using Spearman's correlation analysis between AM-PAC score and body mass index(BMI) and serum glucose level which are irrelevant with functional status.

Sponsors and collaborators

Lead sponsor

Seoul National University Hospital

Other

Registry information

Official study title

Validity and Reliability of Korean Version of Activity Measure for Post Acute Care (AM-PAC) Inpatient Short Form (Low Function) in Critically Ill Patients

Acronym: AM-PAC

Important dates

Study start: 2023
Primary completion: 2024
Study completion: 2024
First posted: Jun 3, 2024
Registry last updated: Jun 3, 2024

OpenTrials presents study information sourced from ClinicalTrials.gov. The official registry record should be consulted for the latest information.

View the official ClinicalTrials.gov record (opens in a new tab)

This listing is for discovery and informational purposes only. It is not medical advice, does not guarantee that a study is recruiting, and does not determine eligibility. Contact the study team and a qualified healthcare professional when considering participation.

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