Box Plot from Scientific Research

The proportions of plasma EBV DNA fragments over the total number of on-target DNA fragments (including both autosomal and EBV DNA) of subjects who would have NPC identified in the second round, non-NPC subjects with first-round transiently positive and persistently positive results are shown. The lower and upper box limits indicate the 25th and 75th percentiles. The dotted line indicates the cutoff used. Wilcoxon test and Kruskal-Wallis test. Also see Figures S1 and S5.

DOI