Table 5.1.

Features and complications of clinical data of infectious mononucleosis^a

Physical signs	%	Laboratory findings	%	Complication	%
Fever	100	EB-IgM	100	Pneumonia	3
Lymphadenopathy	80	Monospot test	98	Haemolytic anaemia	3
Pharyngitis	80	High transaminases	90	Agranulocytosis	0.1
Splenomegaly	50	>50% lymphocytes	50	Thrombocytopenia	0.1
Rash				Neurological	1.5
Palatal petechiae	50			Guillain-Barre syndrome
Exanthem	10			Meningoencephalitis
				Transverse myelitis
Hepatomegaly	20
Jaundice	5			Other rare complications:
				Ruptured spleen
Airway obstruction	1–3.5			Myocarditis
				Pericarditis
				Arthritis
				Nephritis
				Pancreatitis

^aRevised from references [2, 3]