Sensitivity of the Xpert MTB/RIF assay was assessed with the Pearson ?(2) or Fishers exact test.     ///    Assessment of the Xpert MTB/RIF assay for diagnosis of tuberculosis with gastric lavage aspirates in children in sub-Saharan Africa: a prospective descriptive study..     ///    Analyses of GLA samples with the Xpert MTB/RIF assay is a sensitive and specific method for rapid diagnosis of pulmonary tuberculosis in children who cannot produce sputum.     ///    The sensitivity and specificity of the Xpert MTB/RIF assay were similar: sensitivity was 68??8% (95% CI 53??6-80??9) for GLA versus 90??0% (54??1-99??5.     ///    The Xpert MTB/RIF assay detected rifampicin resistance in three GLA samples: two confirmed as MDR tuberculosis and one false positive.     ///    "We did a prospective study to assess the sensitivity and specificity of the Xpert MTB/RIF assay with GLA samples for the detection of pulmonary tuberculosis and MDR tuberculosis in new paediatric inpatient admissions at the University Teaching Hospital, Lusaka, Zambia. "    ///    "GLA and sputum were analysed by standard smear-microscopy, mycobacterial growth indicator tube (MGIT) culture, MGIT drug-susceptibility testing, and the Xpert MTB/RIF assay. "    ///    The Xpert MTB/RIF assay is useful for rapid diagnosis of childhood tuberculosis with sputum and nasopharyngeal samples.     ///    "The Xpert MTB/RIF assay detected an extra 28 tuberculosis cases compared with smear microscopy and was significantly more sensitive than smear microscopy for both sputum (90??0% [54??1-99??5] vs 30??0% [8??1-64??6], p=0??01) and GLA (68??8% [53??6-80??9] vs 25??0% [14??1-40??0], p<0??0001). "