Fig. 1From: Use of urinary naloxone levels in a single provider practice: a case studyNaloxone concentrations by Site: A box-and-whisker plot of the distribution of naloxone levels (ng/ml) at Sites 1 and 2 is presented. Each box depicts the 25th and 75th percentiles with the median depicted by an orange horizontal line. The whiskers extend above the 75th percentile by 1.5 times the interquartile range for each site. Values outside of the whiskers are marked individuallyBack to article page