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Table 4 Positivity of LAM-ELISA in at least one out of two urine samples

From: Low sensitivity of a urine LAM-ELISA in the diagnosis of pulmonary tuberculosis

Classification

Total

LAM +ve

HIV -ve

LAM +ve

HIV +ve

LAM +ve

A (smear+ve/culture+ve, M. tuberculosis )

27/48 (56.3%)

4/17 (23.5%)

23/31 (74.2%)

B (smear-ve/culture+ve, M. tuberculosis )

8/21 (38.1%)

0/2 (0.0%)

8/19 (42.1%)

B NTM

(smear-ve/culture+ve, non-tuberculous mycobacteria)

4/45 (8.9%)

2/16 (12.5%)

2/29 (6.9%)

C (controls, all smears and cultures-ve and sustained recovery under antibiotic treatment at day 56)

10/82 (12.2%)

4/45 (8.9%)

6/37 (16.2%)

D (all cultures-ve, CXR and clinical symptoms very suspicious for TB)

9/56 (16.1%)

3/18 (16.7%)

6/38 (15.8%)

I (any other possible combination of results and loss to follow up after recruitment)

8/39 (20.5%)

4/21 (19.1%)

4/18 (22.2%)

  1. +ve = positive | -ve = negative | CXR = chest x-ray