Table 2 Serum neurone‐specific enolase (NSE) and S‐100 concentrations in survivors and in patients who died in hospital.

	Survived	Died	Significance
Serum S‐100 (μg/l)
Time A (n = 133)	0.23 (0.01–6.70)	0.97 (0.03–12.30)	<0.001
Time B (n = 105)	0.15 (0.00–1.10)	0.53 (0.01–9.20)	<0.001
Time C (n = 69)	0.11 (0.00–0.44)	0.62 (0.02–3.60)	<0.001
Serum NSE (μg/l)
Time A (n = 133)	14.3 (6.6–82.5)	21.8 ( 7.4–64.2)	<0.001
Time B (n = 105)	15.1 (8.3–70.9)	29.4 (10.4–197.0)	<0.001
Time C (n = 69)	10.4 (5.6–139)	26.4 (11.5–175.0)	0.001

Values are median (range).

Time A: 0–12 hours; time B: 24–8 hours; time C: 72–96 hours after cardiac arrest.