Fig. 3From: Tuberculosis infection screening in children with close contact: a hospital-based studySpot numbers of IGRA between children with IGRA+/TST+ and IGRA+/TST− results. A TST using 10 mm as a cutoff and IGRA using 8 spots as a cutoff. B TST using 5 mm as a cutoff and IGRA using 6 spots as a cutoffBack to article page