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Table 1 Summary table depicting the individual strengths and weaknesses of the IPC and ICF frameworks

From: A comparative performance analysis of the International Classification of Functioning, Disability and Health and the Item-Perspective Classification framework for classifying the content of patient reported outcome measures

 

Strengths

Weaknesses

ICF Framework

High inter-rater reliability

Provides greater detail on discrete content

Increased precision

Able to discern among many different concepts that are classified under the umbrella of a single IPC category

Required the use of more than 4X the number of categories

Detected content overlap less frequently

Limited classification capacity: vague, unclear, or poorly defined concepts are unclassifiable

Does not consider item perspective (as an emotional or rationale decision) or the relationship between content within an item

IPC Framework

High inter-rater reliability

Considers item perspective

Better classification capacity

Classifies a greater number of dimensions of item content

May overestimate content overlap due to broader classification