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Table 1 Classification of hemophilia severity

From: A rare but important adverse event associated with adult voluntary medical male circumcision: prolonged bleeding

Severity

Factor (VIII or IX) level

Clinical presentation/treatment

Mild

5% to 40%

Occasional bleeding, usually only after severe trauma or surgery

Moderate

1% to 5%

Less frequent bleeding which usually follows trauma, surgery, or dental work

Severe

<1%

Factor VIII or IX replacement is needed several times per month for traumatic, or apparently, spontaneous bleeding may be on regular prophylactic factor therapy