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Table 3 Positivity of the tests used for screening of opportunistic infections

From: Implementation of a rapid diagnostic assay package for cryptococcosis, histoplasmosis and tuberculosis in people living with HIV in Paraguay

Diagnostic assay

Histoplasmosis (n = 43)

Tested

+

%

Urine Ag

464

43

9%

Cryptococcosis (n = 52)*

Serum LFA-CrAg

484

51

11%

CSF LFA-CrAg

34

21

62%

CSF culture

22

11

50%

CSF India ink

23

4

17.4%

Tuberculosis (n = 92)

TB-LAM

467

72

15%

TB GeneXpert

204

35

17%

TB Culture

102

22

22%

TB-LAM + GeneXpert

197

62

31%

  1. Ag = antigen; CSF = cerebrospinal fluid; LFA = lateral flow assay; TB = tuberculosis
  2. *For one patient, culture was done for diagnosis, reason why no CrAg LFA in sera was performed