Performance of SEIZURE score by cut-off in complete data, Cohort 1
| Admission SEIZURE score (prior to known aetiology) | ||||
| Inpatient seizure (72/149) | PPV | OR | P value | |
| 0–2 (REF) | 1/6 | 17% | – | – |
| 3–6 (REF) | 22/62 | 36% | – | – |
| 7–8 | 13/30 | 43% | 1.50 (0.62 to 3.61) | p=0.369 |
| 9–11 | 14/23 | 61% | 3.04 (1.15 to 8.08) | p=0.025 |
| 12 or more | 22/28 | 78% | 7.17 (2.55 to 20.16) | p<0.001 |
| Complete SEIZURE score (once probable aetiology known) | ||||
| Inpatient seizure (72/149) | PPV | OR | P value | |
| 0–4 (REF) | 0/4 | 0% | – | – |
| 5–11 (REF) | 11/46 | 24% | – | – |
| 12–13 | 12/27 | 44% | 2.84 (1.03 to 7.8) | p=0.043 |
| 14–16 | 14/29 | 48% | 3.31 (1.23 to 8.90) | p=0.018 |
| 17 or more | 35/43 | 82% | 15.51 (5.60 to 42.96) | p<0.001 |
PPV, positive predictive value ; SEIZURE, SEIZUre Risk in Encephalitis .