Figure 1From: Tuberculin skin test and Quantiferon test agreement and influencing factors in tuberculosis screening of healthcare workers: a systematic review and meta-analysis Flow-chart of studies selection. From the initial 1430 abstracts, 29 studies met our inclusion criteria. Study sizes ranged from 54 to 2884 HCWs, for a total of 10.314 HCWs across the 29 studies.Back to article page