Box plots of present calls. The number of detected probes (detection p-value < 0.05) per target preparation method are shown. The boxes represent the lower quartile through the upper quartile, while the whiskers extend to 1.5 times the interquartile range. A bold line denotes the median. WB IVT and GR IVT (n = 8). WB DASL+, WB DASL-, and GR DAP+ (n = 16).