Assay results of clinical serum samples using the SERS and the enzyme-linked immuno sorbent assay methods.

Analyte number	S100-β		NSE
	SERS (ng mL−1)	ELISA (ng mL−1)	SERS (ng mL−1)	ELISA (ng mL−1)
1	1.17 ± 0.016	1.21 ± 0.011	1.05 ± 0.011	1.02 ± 0.001
2	4.16 ± 0.021	4.14 ± 0.014	3.72 ± 0.017	3.46 ± 0.01
3	8.71 ± 0.017	8.75 ± 0.011	8.58 ± 0.012	8.61 ± 0.007