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Understanding MCID in Healthcare

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Questions and Answers

What is the primary purpose of using the Intraclass Correlation Coefficient (ICC)?

To calculate the minimum clinically important difference (MCID) of a measurement

To measure the level of agreement between two raters

To provide unstandardized estimates of measurement reliability in units of measure

To standardize estimates of measurement reliability without units (correct)

Which of the following is the recommended interpretation for an ICC value greater than 0.75?

Good reliability (correct)

Indicates the need to choose the Kappa statistic instead

Poor to moderate reliability

Best for clinical measurements

What is the key difference between the ICC and the Standard Error of Measurement (SEM)?

The ICC is more appropriate for clinical measurements, while the SEM is better for research purposes

The ICC is used to measure agreement between raters, while the SEM measures reliability

The ICC provides standardized estimates of reliability, while the SEM provides unstandardized estimates (correct)

The ICC is used for ordinal data, while the SEM is used for interval or ratio data

Which of the following is the recommended interpretation for an ICC value less than 0.75?

Poor to moderate reliability Signup and view all the answers

What is the primary factor to consider when interpreting the magnitude of an ICC value?

The magnitude of the clinical decision being made Signup and view all the answers

Which of the following is the recommended interpretation for an ICC value greater than 0.9?

Best for clinical measurements Signup and view all the answers

What is the relationship between the ICC and the minimum detectable change (MDC) of a measurement?

There is no direct relationship between the ICC and MDC Signup and view all the answers

Which statistic is typically reported in conjunction with the ICC to provide additional information about measurement reliability?

The standard error of measurement (SEM) Signup and view all the answers

Which of the following statements about the use of the ICC with ordinal data is correct?

The ICC can be used with ordinal data if the intervals are assumed to be equivalent Signup and view all the answers

What is the primary purpose of calculating the minimum clinically important difference (MCID) for a measurement?

To determine the minimum change in a measurement that is considered clinically meaningful Signup and view all the answers