Table 3.

Sensitivity and specificity in any positive case and >10% of stained cases.

	Any Positivity			>10% Positive Cells
	Sensitivity		Specificity	Sensitivity		Specificity
	SCLC n = 42	LCNEC n = 44	NSCLC n = 80	SCLC n = 42	LCNEC n = 44	NSCLC n = 80
Musashi-1	41 (98%)	40 (91%)	66 (83%)	40 (95%)	34 (77%)	76 (95%)
INSM1	40 (95%)	30 (68%)	70 (87%)	36 (86%)	20 (45%)	80 (100%)
Chromogranin-A	35 (83%)	23 (52%)	77 (96%)	28 (67%)	15 (34%)	80 (100%)
Synaptophysin	38 (90%)	29 (66%)	65 (81%)	31 (73%)	18 (41%)	75 (94%)
CD56	40 (95%)	39 (89%)	65 (81%)	40 (95%)	29 (66%)	76 (95%)

SCLC = small cell lung cancer, LCNEC = large cell neuroendocrine carcinoma, INSM1 = insulinoma-associated protein-1.