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Table 1 Examples of the hierarchical structure of the International Classification of Functioning, Disability and Health (ICF) categories (WHO, 2001)

From: Patient-reported outcome measures for physical function in cancer patients: content comparison of the EORTC CAT Core, EORTC QLQ-C30, SF-36, FACT-G, and PROMIS measures using the International Classification of Functioning, Disability and Health

Code

Description

Level

d

Activities and participation

Component

d5

Self-care

First level (Chapter)

d540

Dressing

Second level

d5400

Putting on clothes

Third level

b

Body functions

Component

b4

Functions of the cardiovascular, haematological, immunological and respiratory systems

First level (Chapter)

b455

Exercise tolerance functions

Second level

b4550

General physical endurance

Third level