Research Article
Somatosensory and Brainstem Auditory Evoked Potentials Assessed between 4 and 7 Days after Severe Stroke Onset Predict Unfavorable Outcome
Table 4
Analysis of dynamic changes of EPs from 1–3 days to 4–7 d after stroke onset.
| | Prognostic predictors | Unfavorable outcome
(mRS 5-6)
(%) | Favorable outcome
(mRS 1–4)
(%) | value | Sensitivity
% (95% CI) | Specificity
% (95% CI) | Positive predictive value
% (95% CI) | Negative predictive value
% (95% CI) | Positive likelihood ratios
% (95% CI) |
| | GCS | | | | | | | | | | Worse (from 6–12 to 3–5) | 65
(63.1) | 38
(36.9) | 0.041 | 73.0
(62.4–81.6) | 26.9
(16.0–41.3) | 63.1
(53.0–72.2) | 36.8
(22.3–54.0) | 1.00
(0.81–1.23) | | SLSEP | | | | | | | | | | Worse (upgrade) | 66
(89.2) | 8
(10.8) | <0.001 | 74.2
(63.6–82.6) | 88.1
(77.3–94.3) | 89.2
(79.3–94.9) | 72.0
(60.8–81.0) | 6.21
(3.20–12.04) | | BAEP | | | | | | | | | | Worse (upgrade) | 60
(96.8) | 2
(3.2) | <0.001 | 67.4
(56.6–76.8) | 97.0
(88.7–99.5) | 96.8
(87.8–99.4) | 69.1
(58.7–78.0) | 22.58
(5.72–89.12) |
|
|
GCS, Glasgow Coma Scale; SLSEP, short-latency somatosensory evoked potential; BAEP, brainstem auditory evoked potential; 95% CI, 95% confidence intervals.
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