Subjective Rating Number of Metabolites Percent of Total Metabolites Analyzed Excellent 9 13% Good 17 24% Fair 25 36% Poor 10 14% Not Analyzed 9 13% Total 70 100%

Table 1: Number of metabolites and percent of total metabolites analyzed for the subjective rating of consistency over time. The metabolite categories are consistent with the example plots seen in Figure 2.