A patient scores 67 points on an assessment form. The clinician finds a study in the literature that reports a standard error of measurement (SEM) of 4.5 for this outcome measure. What is an appropriate interpretation of the patient’s score? Recall that the Zalpha value for a 90%CI is 1.64 and Zalpha value for a 80%CI is 1.28. The clinician can be 90% confident that the patient's score lies between 60 and 74. Upon repeated evaluations, 90% of stable patients will change by less than 15 points. Upon repeated evaluations, 80% of stable patients will change by less than 10 points. The clinician can be 80% confident that the patient's score lies between 65 and 70.
A patient scores 67 points on an assessment form. The clinician finds a study in the literature that reports a standard error of measurement (SEM) of 4.5 for this outcome measure. What is an appropriate interpretation of the patient’s score? Recall that the Zalpha value for a 90%CI is 1.64 and Zalpha value for a 80%CI is 1.28. The clinician can be 90% confident that the patient's score lies between 60 and 74. Upon repeated evaluations, 90% of stable patients will change by less than 15 points. Upon repeated evaluations, 80% of stable patients will change by less than 10 points. The clinician can be 80% confident that the patient's score lies between 65 and 70.
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Question
A patient scores 67 points on an assessment form. The clinician finds a study in the literature that reports a standard error of measurement (SEM) of 4.5 for this outcome measure. What is an appropriate interpretation of the patient’s score? Recall that the Zalpha value for a 90%CI is 1.64 and Zalpha value for a 80%CI is 1.28.
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The clinician can be 90% confident that the patient's score lies between 60 and 74. |
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Upon repeated evaluations, 90% of stable patients will change by less than 15 points. |
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Upon repeated evaluations, 80% of stable patients will change by less than 10 points. |
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The clinician can be 80% confident that the patient's score lies between 65 and 70. |
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