Fig. 2From: Comparative performance characteristics of the urine lipoarabinomannan strip test and sputum smear microscopy in hospitalized HIV-infected patients with suspected tuberculosis in Harare, ZimbabweComparative sensitivity of SSM versus LAM; and the combination of SSM and LAM versus SSM alone using composite reference standard stratified by CD4 counts. SSM; sputum smear microscopy; LAM; urine Lipoarabinomannan strip test. a P-value indicates significant differences between SSM only and LAM only. bP-value indicates significant differences between SSM only and SSM plus LAMBack to article page