Table 2 Sensitivity and specificity of somatosensory evoked potentials and other outcome predictors for 6-month neurological outcome
From: Beyond dichotomy: patterns and amplitudes of SSEPs and neurological outcomes after cardiac arrest
|  | Good outcome (n = 51) | Poor outcome (n = 141) | Poor outcome prediction | Good outcome prediction | ||
|---|---|---|---|---|---|---|
Sensitivity % (95% CI) | Specificity % (95% CI) | Sensitivity % (95% CI) | Specificity % (95% CI) | |||
N20–P25 pattern | ||||||
 N20 (−), n (%) | 0 (0.0) | 43 (30.5) | 30.5 (23.0–38.8) | 100 (93.0–100.0) |  |  |
 P25 (−), n (%) | 0 (0.0) | 99 (70.2) | 70.2 (61.9–77.6) | 100 (93.0–100.0) |  |  |
 N20 (−) or P25 (−), n (%) | 0 (0.0) | 101 (71.6) | 71.6 (63.4–78.9). | 100.0 (93.0–100.0) |  |  |
N20–P25 amplitude | ||||||
  < 0.64 μV, n (%) | 0 (0.0) | 105 (74.5) | 74.5 (66.5–81.4) | 100 (93.0–100.0) |  |  |
  > 2.31 μV, n (%) | 27 (52.9) | 5 (3.5) |  |  | 52.9 (38.5–67.1) | 96.5 (91.9–98.8) |
  > 5.04 μV, n (%) | 5 (9.8) | 0 (0.0) |  |  | 9.8 (3.3–21.4) | 100.0 (97.4–100.0) |
Peak level of NSE (n = 160) | (n = 48) | (n = 112) |  |  |  |  |
  > 41.7 ng/mL, n (%) | 4 (8.3) | 91 (81.3) | 81.3 (72.8–88.0) | 91.7 (80.0–97.7) |  |  |
  > 68.49 ng/mL, n (%) | 0 (0.0) | 68 (60.7) | 60.7 (51.0–69.8) | 100 (92.6–100.0) |  |  |
DWI lesion (n = 134) | (n = 36) | (n = 98) |  |  |  |  |
 No diffusion-restriction lesion, n (%) | 26 (72.2) | 5 (5.1) |  |  | 72.2 (54.8–85.8) | 94.9 (88.5–98.3) |
 No lesion or isolated cortex or deep gray matter lesion, n (%) | 34 (94.4) | 8 (8.2) |  |  | 94.4 (81.3–99.3) | 91.8 (84.6–96.4) |
 Multifocal or global lesion, n (%) | 2 (5.6) | 90 (91.8) | 91.8 (84.6–96.4) | 94.4 (81.3–99.3) |  |  |