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Table 1 Metric measurements of six representative extracted EICs.

From: Quality evaluation of extracted ion chromatograms and chromatographic peaks in liquid chromatography/mass spectrometry-based metabolomics data

Extracted EIC with Spike Detection Index Background Detection Index MCQ Index Zigzag Index
EIC ID Central m/z     
27 72.0810 0.9952 0.4895 0.4798 0.0034
40 79.1092 0.9976 0.9742 0.9717 0.0003
90 90.0552 0.9934 0.4637 0.4563 0.0057
134 110.168 0.9910 0.3360 0.3115 0.0289
154 118.188 0.9879 0.8942 0.8807 0.0004
167 121.158 0.9984 0.1024 0.0855 0.5562