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. 2021 Oct 12;4:1181. doi: 10.1038/s42003-021-02714-w

Table 2.

Capture and detection of LAM from the urine of subjects with pulmonary TB by Sandwich ELISA.

Diagnosisa Microbiology U-LAMb ELISA OD450 U-LAM Detectionc GC-MS (ng/mL)d
Smeare Culturef CS35/A194 L1AM04/T1AM09
Pulmonary TB pos Mtb 1.649 1.531 Positive 25
Pulmonary TB pos Mtb 0.894 0.627 Positive 14.3
COPD, Pneumonia neg neg 0.233 0.210 Negative Not detected
Pneumonia, TB unlikely neg neg 0.196 0.221 Negative Not detected

aAll four patients were HIV uninfected.

bCapture ELISA for the detection of LAM in urine (U-LAM).

cU-LAM detection above cut-off based on background values for healthy control urine for each mAb pair by capture ELISA (OD450 0.259 for CS35/A194 mAb pair and 0.335 for L1AM04/T1AM09 mAb pair, respectively).

dQuantification of U-LAM by gas chromatography-mass spectrometry (GS-MS) D-Arabinose detection method.

eSputum smear microscopy for acid fast bacilli (AFB).

fMycobacterial culture of sputum.