Figure 2From: The impact of diabetes on tuberculosis treatment outcomes: A systematic review Risk of remaining sputum culture positive for TB patients with DM compared with TB patients without DM. Size of the square is proportional to the precision of the study-specific effect estimates, and the bars indicate the corresponding 95% CIs. *The RR for Guler et al. [40] was calculated using the OR, CI and total number of patients with and without DM provided in the paper.Back to article page