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Table 2 Prognostic elements stratified for outcome within 3 months

From: SSEP N20 and P25 amplitudes predict poor and good neurologic outcomes after cardiac arrest

 n = 82 CPC3–4–5
n = 64
CPC1–2
n = 18
p
CA-SSEP delay, days, median (IQR) 3 (2.5–4) 3 (2–4) 0.62
SSEP responses:    0.01
 Bilaterally absent «AA» 19 (30%) 0  
 Unilaterally present «AP» 4 (6%) 0  
 Bilaterally present «PP» 41 (64%) 18 (100%)  
N20-Baseline amplitude (µV) of the «PP» patterns, median 0.93 (0–2.05) 1.56 (1.24–2.75) 0.008
N20–P25 amplitude (µV) of the «PP»
patterns, median
MD n = 3
0.57 (0–1.43) 2.64 (1.39–3.80)  < 0.0001
NSE peak at day 2, median (µg/l) 96.5 (46–240) 29.5 (20–42)  < 0.0001
NSE peak at day 3, median (µg/l) 157 (54–353) 21 (16–36)  < 0.0001
Highly malignant EEG, n (%) 23 (34.4%) 0 (0%) 0.0021
Malignant EEG, n (%) 32 (50%) 2 (11%) 0.0029
Benign EEG, n (%) 9 (14%) 16 (89%)  < 0.0001
Status myoclonus n (%) 36 (56.3%) 1 (5.6%)  < 0.0001
  1. CA cardiac arrest, EEG electroencephalogram, MD missing data, NSE neurone specific enolase