Figure 2From: Outcome correlation of smear-positivity but culture-negativity during standard anti-tuberculosis treatment in TaiwanCumulative percentages of positive sputum mycobacterial smear (solid line) and positive sputum mycobacterial culture (dotted line) in patients with low (≤1+) and high acid-fast stain grading (>1+) at the start of treatment (A), and patients with and without cavity formation on chest-X ray films (B). SPCN, smear-positive but culture-negative.Back to article page