Table 1.

Summary statistics for HSPA8, 8-OHdG, 8-ISO, and total antioxidant capacity (TAC) concentrations in CSF from 34 healthy subjects.

Measure	Units	Median	25th percentile	75th percentile	Range
HSPA8	ng/mL	0.45	0.36	0.64	0.14–0.95
8-OHdG	pg/mL	784.9	712.5	922.7	416.9–1159.1
8-ISO	pg/mL	6.5	5.3	8.7	3.2–16.7
TAC	mM	0.38	0.33	0.40	0.24–0.59

HSPA8, heat shock 70-kDa protein 8; 8-ISO, 8-isoprostane; 8-OHdG, 8-hydroxy-2′-deoxyguanosine; TAC, total antioxidant capacity.