Fig. 2
From: Diagnostic accuracy of TB-LAMP for pulmonary tuberculosis: a systematic review and meta-analysis
Study quality assessment using QUADAS-2. Based on QUADAS-2 assessment, the risk of bias was judged to be unclear in 5 (38%) studies due to patient selection issues, high for all studies due to an inadequate reference standard, and either high in 1 (8%) study or unclear in 7 studies (54%) due to flow and timing issues. In addition, applicability concerns were high in 5 (38%) studies due to patient selection issues