Fig. 2From: Ten years of hand hygiene excellence: a summary of outcomes, and a comparison of indicators, from award-winning hospitals worldwideViolin plots of the distribution of HHSAF total scores by region. Each dot (statistical unit) represents a HHEA winning healthcare facility. Dashed lines indicate the basic/intermediate (250 points) and intermediate/advanced (375 points) thresholds established by the HHSAF 2010Back to article page