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Table 1 The most frequent initial AIDS-defining conditions in 834 Singaporean patients.

From: AIDS-defining illnesses among patients with HIV in Singapore, 1985 to 2001: results from the Singapore HIV Observational Cohort Study (SHOCS)

Condition Median CD4 (IQR1) Confirmed Probable Total (%)
Pneumocystis carinii pneumonia 16.5 (9 – 40) 203 139 342 (35.7)
Mycobacterium tuberculosis 52 (18 – 110) 148 70 218 (22.7)
Herpes simplex, chronic mucocutaneous 25 (9 – 63) 26 45 71 (7.4)
Candidiasis, esophageal or tracheobronchial 21 (8.5 – 86) 25 41 66 (6.9)
Cytomegalovirus disease 25 (10 – 51) 28 12 40 (4.2)
Cryptococcosis, extrapulmonary 13 (6.5 – 39) 41 NA 41 (4.3)
Cytomegalovirus retinitis 15 (8 – 38.5) 0 37 37 (3.9)
Mycobacterium avium, disseminated 13 (5 – 26) 35 NA 35 (3.6)
Toxoplasmosis of the brain 29 (15 – 44) 1 31 32 (3.3)
Mycobacterium, species unidentified 31 (12 – 80) 0 16 16 (1.7)
Kaposi's sarcoma 46.5 (23.5 – 227.5) 8 4 12 (1.3)
Cryptosporidiosis, chronic intestinal 31 (4 – 56) 8 NA 8 (0.8)
Burkitt's lymphoma 34 (15.5 – 64) 8 NA 8 (0.8)
Wasting syndrome of HIV 36 (25 – 65) NA 6 6 (0.6)
Progressive multifocal leukoencephalopathy 42.5 (24.5 – 56.5) 2 3 5 (0.5)
Histoplasmosis, disseminated 22 (4 – 138) 5 NA 5 (0.5)
Other2 ----- 11 6 17 (1.8)
Total 27 (11 – 63) 549 410 959 (100)
  1. 1IQR = inter-quartile range. 2The category designated "other" includes conditions for which four cases or fewer were diagnosed. The number of initial AIDS-defining conditions is greater than the number of patients with AIDS because many patients presented with more than one condition. NA = not applicable.