A retrospective, observational single centre study of electronic medical records of discharged patients who were admitted to from 1 January 2015 to 31 December 2018.

Period of data collection was from 5 August 2019 to 15 September 2019.

The objectives of this study were to describe a local cohort of acute SAH survivors during inpatient rehabilitation at a single tertiary rehabilitation centre in Singapore and identify early predictors impacting discharge rehabilitation outcomes.

Inclusion Criteria:

• 1. Spontaneous, first-ever SAH diagnosed by admitting neurosurgeons and confirmed on neuroimaging (CT or magnetic resonance imaging) 2. Transferred from acute care facilities or admitted from clinics to TTSH RC 3. Ages between 21 - 85 years 4. Duration of SAH to rehabilitation admission ≤6 months

Exclusion Criteria:

• 1. No radiological evidence of SAH 2. Traumatic SAH 3. Previous diagnosis of SAH 4. Main reason for admission into TTSH RC was not for inpatient rehabilitation (e.g. wound care, medical or social admission)

Adult patients admitted acutely for inpatient rehabilitation from neurosurgical wards