Fig. 1From: Circulating granulysin levels in healthcare workers and latent tuberculosis infection estimated using interferon-gamma release assaysDistribution of serum GNLY concentrations in IGRA-negative and IGRA-positive groups. Blue horizontal lines (+++), median values; green line (---), interquartile range; *by Wilcoxon rank-sum test; GNLY, granulysin; IGRA, Interferon-gamma release assaysBack to article page