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Table 1 Modified Rankin Scale (mRS)

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

Score Functional status
0 No symptoms
1 No significant disability. Able to carry out all usual activities despite some symptoms
2 Slight disability. Able to look after own affairs without assistance, but unable to carry out all previous activities
3 Moderate disability. Requires some help, but able to walk unassisted
4 Moderately severe disability. Unable to attend to own bodily needs without assistance, and unable to walk unassisted
5 Severe disability. Requires constant nursing care and attention, bedridden, incontinent
6 Dead