Table 5.

Performance comparison for Perm-BS-070111-04-Serum using receiver operator characteristic (ROC) area under the curver (AUC) and number of non-ambiguous matches

Name	ROC AUC	True matchesa	Non-ambiguous matches
Combinatorial unregularized	0.679	86	61
Combinatorial partial	0.816	87	62
Combinatorial grid	0.804	86	61
GlySpace unregularized	0.788	59	51
GlySpace partial	0.803	60	52
GlySpace grid	0.809	60	52
Krambeck unregularized	0.866	70	60
Krambeck partial	0.883	70	60
Krambeck grid	0.882	69	59
Yu et al. (2013)	–	72b	59

Note: While the Krambeck database had a better ROC AUC, the Combinatorial database had more true matches.

^aSelected at ${\varphi }_o>5.0$.

^bOnly includes cases with sufficient MS1 scans available for comparison.