Phosphorylated Alpha-Synuclein in Red Blood Cells as a Potential Diagnostic Biomarker for Multiple System Atrophy: A Pilot Study

Table 3

Typical presentation for summarizing spike-and-recovery results.

Sample (n)	Spike level	Expected	Observed	Recovery (%)
RBC (9)	Low (1.5 μg/ml)	1.7	1.49	87.7
	Med (3.0 μg/ml)	2.8	2.54	90.7
	High (4.5 μg/ml)	4.0	4.27	95.9