Table 3.
Association between thalamic hyperperfusion and NCSE and EEG findings
| N | Thalamic hyperperfusion, N (%) |
P value | Odds ratio (95% CI) | Sensitivity (%) | Specificity (%) | ||
|---|---|---|---|---|---|---|---|
| Yes | No | ||||||
| NCSE | 21 | 16 (76) | 5 (24) | 0.0007 | N/A | 76.2 | 100.0 |
| EEG findings | |||||||
| PDs (lateralized and bilateral independent)a | 15 | 14 (93) | 1 (7) | <0.0001 | 77.0 (6.2–963.7) | 93.3 | 84.6 |
| RDA | 13 | 12 (92) | 1 (8) | 0.0006 | 33.0 (3.2–342.3) | 92.3 | 73.3 |
| Lateralized and bilateral independent | 11 | 11 (100) | 0 (0) | 0.0002 | N/A | 100.0 | 70.6 |
| Generalized | 2 | 1 (50) | 1 (50) | 0.8254 | 0.7 (0.0–13.0) | 50.0 | 42.3 |
| EEG seizures | 9 | 5 (56) | 4 (44) | 0.7014 | 0.9 (0.2–4.5) | 55.6 | 42.1 |
| Brief rhythmic epileptiform discharges | 17 | 11 (65) | 6 (35) | 0.2693 | 2.2 (0.5–10.4) | 64.7 | 54.5 |
a
Generalized PDs were not found in any episodes.
Abbreviations: CI, confidence interval; N/A, not applicable.