Table 3 PEWS scale
risk factor (maximum:10 points) | clinical features (maximum:10 points) | EEG features (maximum:6 points) | ||||||
|---|---|---|---|---|---|---|---|---|
Underlying disease (maximum: 3 points) | Hematologic malignancies | 3 | High cranial pressure (maximum: 1 points) | Headache | 1 | Slow wave (maximum: 3 points) | Focal θ activity | 1 |
Autoimmune disease | 2 | Nausea, vomiting | 1 | Focal δ activity | 2 | |||
Other diseases | 1 | Visual symptoms (maximum: 3 points) | Blindness or blurred vision | 2 | Focal δ and θ activity | 2 | ||
Hypertension (maximum: 3 points) | Level1(< 159/ 99) | 1 | Cortical blindness | 3 | Diffused θ activity | 2 | ||
Level2 (< 179/109) | 2 | Seizure (maximum: 3 points) | Generalized seizures | 3 | Diffused δ and θ activity | 3 | ||
Level3 (> 180/110) | 3 | Partial seizures | 2 | Diffused δ activity | 3 | |||
Infection (maximum: 2 points) | Mild infection | 1 | Automatism | 1 | Epileptiform discharges (maximum: 3 points) | Focal discharge | 2 | |
Septicemia | 2 | Disturbance of consciousness (maximum: 3 points) | Confusion | 2 | ||||
Drug toxicity (maximum: 2 points) | Cytotoxic drugs | 2 | Coma | 3 | widespread discharge | 3 | ||