Table 1.

Participant categorisation framework.

Construct	Categorisation criteria
Amount of arm use [Current and previous]	If the participant performs functional task or exercise using affected arm for the following duration High ≥1 hour Moderate 30 minutes–1 hour Low <30 minutes
Presence of spontaneous recovery potential	Reporting of any one of the following within first 20 days. History of Finger movement; lifting arm; initiation of independent sitting or standing and discharged out of ICU. Present – good spontaneous recovery potential Absence of – poor spontaneous recovery potential
Arm motor ability	High: Can open and close fingers + lift arm above head Moderate: Can close fingers or get back to neutral but limited extension + lift arm to xiphoid level Low: Can neither open/nor close finger + cannot lift arm to xiphoid level