Classification of Joint Pain from World Federation of Haemophilia

The Orthopedic Advisory Committee of the World Federation of Haemophilia (WFH) use a grading system for joint pain in patients with hemophilia.

Parameters:

(1) level of pain

(2) functional deficit caused by the pain on work and/or activities of daily living (ADL)

(3) analgesic use between episodes of acute hemarthrosis

Level of Pain	Functional Deficit	Analgesic Use	Grade
none	none	none	0
mild	does not interfere with work or ADL	occasional non-narcotic analgesics	1
moderate	partial or intermittent interference with work or ADL	intermediate use of non-narcotics; occasional use of narcotic analgesics	2
severe	significant interference, disabling	frequent use of non-narcotic and narcotic analgesics	3

where:

• The functional impairment needs to be distinguished from joint disability.

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Purpose: To classify joint pain associated with degenerative arthropathy in a patient with hemophilia.