Table 1. Timeline of Evaluation Measurements and RRP Components.

Timeline	COVID Ward T0	COVID-Free Ward
		T1	T2
Measures	BI BID EQ-5D-3L MRC sum score Q girth SPPB	Repeated T0 MIP/MEP	Repeated T1 Spirometry
RRP	Early mobilization Leg/arm cranking NMES STS training Walking training Weaning from MV	Aerobic training (cycle ergometer) Resistance training (elastic bands/free weights) Stair climbing

Abbreviations: BI, Barthel index; BID, Barthel index based on dyspnea; COVID, coronavirus disease; EQ-5D-3L, EuroQol questionnaire—5 dimensions, 3 levels; MEP, maximal expiratory pressure; MIP, maximal inspiratory pressure; MRC sum score, Medical Research Council sum score; MV, mechanical ventilation; NMES, neuromuscular electrical stimulation; Q girth, quadriceps size (taken 10 cm above patella); RRP, respiratory rehabilitation program; SPPB, Short Physical Performance Battery; STS, seat-to-stand.