Table 2. Frequency of AIDS-defining illnesses among study participants.

AIDS-defining illness	# of Unique Events
Pneumocystis jirovecii pneumonia	24
Pneumonia, recurrent	23
Candidiasis of esophagus	14
Herpes simplex, chronic ulcers (>1 month's duration) or bronchitis, pneumonitis, or esophagitis	11
Encephalopathy, HIV-related	4
Cytomegalovirus disease	3
HIV wasting syndrome	3
Ciyptococcosis, extrapulmonary	2
Cryptosporidiosis	1
Kaposi sarcoma	1
Mycobacterium tuberculosis	1
Progressive multifocal encephalopathy	1
Toxoplasmosis of brain	1