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Description

Mocroft et al developed a staging system for patients with AIDS based on the number and type of AIDS diseases and the CD4 lymphocyte count. This can be tracked over time to monitor disease progression and response to therapy.


 

Diagnostic groups:

(1) mild diagnoses

(2) severe diagnoses

(3) very severe diagnoses

 

Mild diagnoses:

(1) esophageal candidiasis

(2) cutaneous Kaposi's sarcoma

(3) Pneumocystis carinii pneumonia

(4) extrapulmonary tuberculosis

 

Severe diagnoses (AIDS defining disorders not included in the mild and very severe groups):

(1) candida of bronchus, trachea or lungs

(2) invasive cervical carcinoma

(3) disseminated or extrapulmonary coccidioidomycosis

(4) disseminated or extrapulmonary histoplasmosis

(5) extrapulmonary cryptococcosis

(6) chronic cryptosporidiosis (> 1 month duration)

(7) chronic isosporiasis (> 1 month duration)

(8) HIV-related encephalitis

(9) cytomegalovirus infection other than liver, spleen or lymph nodes

(10) CMV retinitis

(11) Herpes simplex with chronic ulcers (> 1 month duration), bronchitis, pneumonitis, or esophagitis

(12) disseminated or extrapulmonary atypical mycobacteria infection

(13) recurrent pneumonia (2 or more episodes within a 1 year period)

(14) progressive multifocal leukoencephalopathy

(15) recurrent Salmonella septicemia

(16) toxoplasmosis of brain

(17) wasting syndrome due to HIV

 

Very severe diagnoses:

(1) malignant lymphoma

 

score =

= (300 * (number of very severe diagnoses)) + (100 * (number of severe diagnoses)) + (20 * (number of mild diagnoses)) - (minimum CD4 lymphocyte count per µL since onset of AIDS)

 

Interpretation

Score

AIDS Grade

Death Rate

< 0

I

1.1 per 10 person years

0 - 99

II

2.7 per 10 person years

>= 100

III

10.5 per 10 person years

(from Table 3, page 14, and Table 6, page 15)

 


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