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Table 2 Markwalder Grading Scale

From: Dexamethasone therapy versus surgery for chronic subdural haematoma (DECSA trial): study protocol for a randomised controlled trial

Score Clinical status
0 Patient neurological normal
1 Patient alert and oriented; mild symptoms such as headache; absent or mild neurological deficit such as reflex asymmetry
2 Patient drowsy (defined as Glasgow Coma Scale (GCS) score: 13–14) or disoriented with variable neurological deficit, such as hemiparesis
3 Patient stuporous (defined as GCS 9–12) but responding appropriately to noxious stimuli; severe focal signs such as hemiplegia
4 Patient comatose (GCS 8 or lower) with absent motor responses to painful stimuli; decerebrate or decorticate posturing