Table 3.

Indications and contraindications of chest physiotherapy in patients in after discharge [adopted from (20, 30)].

	Respiratory function	Cardiovascular function	Nervous system function	Other
Indication	A blood oxygen saturation of ≤95%, mini-mental state examination (MMSE) score > 21, no COPD or any other respiratory disease, and forced expiratory volume in 1s (FEV1) 70%	A heart rate of >100 beat per minute and a blood pressure of <90/60 mmHg or >140/90 mmHg	Nil	Other diseases that are not suitable for exercise
Contraindication/ Discontinuation of Intervention	Exacerbation of respiratory symptoms and fatigue that are not alleviated with rest, dyspnea, severe cough, moderate or severe heart disease, and ischemic or hemorrhagic stroke or neurodegenerative diseases	Chest tightness, chest pain, and heart palpitations	Dizziness, headache, blurred vision	Temperature fluctuation (>37.2°C), profuse sweating, and unstable gait

COPD, chronic obstructive pulmonary disease.