Table 2

Ion-feature Reproducibility	Detected in 3 out of 3 replicates	Detected in 2 out of 3 replicates	Detected in 1 out of 3 replicates	Other
% of total Ion-features in plasma B	29%	24%	30%	17%
Avg over all 10 plasma samples	28%	24%	30%	19%

Table 2: Ion-feature reproducibility based on a sum total of 34053 ion-features detected in the three replicates of plasma sample B.