Acute-phase ITIH4 levels distinguish multi-system from single-system Langerhans cell histiocytosis via plasma peptidomics

Table 3 Receiver operating characteristic (ROC) analysis of 32 peaks

m/z	SN	SP	Cutoff	AUC
1467	100	57	28,182	0.73
1796	43	100	6693	0.71
1988	100	57	7096	0.78
2013	86	100	8899	0.94
2211	100	43	13,844	0.69
2273	57	100	808	0.84
2555	100	57	18,160	0.67
2601	86	100	2858	0.96
2662^a	86	43	216	0.63
2727	86	86	3612	0.82
2810	100	43	11,023	0.59
2962^a	86	57	8557	0.69
3145	86	71	3710	0.73
3159	100	43	14,491	0.71
3291	86	86	1880	0.84
3354	100	57	3537	0.80
3509	100	71	6796	0.84
3522	100	71	4945	0.84
3686	86	86	1603	0.86
3953^a	71	86	6547	0.76
3973	100	71	15,117	0.82
3990	86	71	6868	0.82
4154	43	100	15,100	0.73
4186	71	86	15,088	0.73
4301	100	71	16,035	0.84
4317	100	100	26,194	1.00
4840^a	100	57	29,114	0.73
5586^a	71	71	3706	0.73
7773^a	100	29	24,831	0.57
8646	71	100	20,684	0.90
15217^a	86	71	1720	0.80
17492^a	71	71	8478	0.65

SN sensitivity, SP specificity, AUC area under the curve, m/z higher intensity marker in MS-LCH-RO (−), m/z ^a higher intensity marker in SS-LCH-RO (−)

ISSN: 1559-0275