Somatosensory and Brainstem Auditory Evoked Potentials Assessed between 4 and 7 Days after Severe Stroke Onset Predict Unfavorable Outcome

Table 2

Prognostic predictors at 1–3 d and 4–7 d after stroke onset with different outcomes at 6 months after stroke.

Prognostic predictors	Unfavorable outcome; (mRS 5-6); 1–3 d /4–7 d; (%)	Favorable outcome; (mRS 1–4); 1–3 d/4–7 d; (%)	⁢ value; 1–3 d/4–7 d
GCS
3–5	20 (66.7)/56 (81.2)	10 (33.3)/13 (18.8)	0.306/<0.001
6–12	69 (54.8)/33 (37.9)	57 (45.2)/54 (62.1)
SLSEP
Abnormality of N20	86 (61.0)/89 (64.5)	55 (39.0)/49 (35.5)	0.004/<0.001
Normality of N20	3 (20.0)/0 (0)	12 (80.0)/18 (100)
SLSEP
Bilateral absence of N20	6 (100)/43 (100)	0 (0)/0 (0)	0.037/<0.001
Appearance of N20	83 (55.3)/46 (40.7)	67 (44.7)/67 (59.3)
BAEP
Abnormality of V	67 (61.5)/81 (68.1)	42 (38.5)/38 (31.9)	0.113/<0.001
Normality of V	22 (46.8)/8 (21.6)	25 (53.2)/29 (78.4)
BAEP
Bilateral absence of V	10 (100)/34 (100)	0 (0)/0 (0)	0.005/<0.001
Appearance of	79 (54.1)/55 (45.1)	67 (45.9)/67 (54.9)
Total	89 (57.1)	67 (42.9)

GCS, Glasgow Coma Scale; SLSEP, short-latency somatosensory evoked potential; BAEP, brainstem auditory evoked potential.