Table 3.

Follow‐up strategies of coronavirus disease

Items	Strategies	Reference
Isolation	(1)Quarantine at home for a 14‐d period after discharge.	16, 50
	(2)Centralized isolation or isolation in a hotel is recommended.
PCR	PCR should be carried out again after 2‐wk quarantine.	16, 30, 40, 51
Radiology	(1)CT or CXR follow‐up until complete absorption of pulmonary lesions.	57, 58, 59, 60, 63
	(2)Patients using corticosteroids should receive an MRI 3‐6 mo after discharge.
Pulmonary function	When visiting the out‐patient department, patients should receive pulmonary function tests, including:	61, 62
	(1)FVC;
	(2)FEV1;
	(3)FEV1/FVC;
	(4)DLCO;
	(5)SGRQ.
Mental health and quality of life	Self‐assessment tools:	25, 44, 47, 48, 64, 66, 67
	(1)The Self‐Reporting Questionnaire 20 items;
	(2)The Patient Health Questionnaire‐9;
	(3)The Generalized Anxiety Disorder 7 scale;
	(4)The Pittsburgh Sleep Quality Index Scale;
	(5)The Symptom Checklist‐90‐R;
	(6)The Impact of Event Scale ‐R, the Hospital Anxiety and Depression Scale;
	(7)The Self‐rating Anxiety Scale;
	(8)The Self‐rating Depression Scale;
	(9)The Karnofsky Performance Status Scale.
	Other‐assessment tools:
	(1)The Hamilton Depression Rating Scale;
	(2)The Hamilton Anxiety Rating Scale;
	(3)The Positive and Negative Syndrome Scale.
Key time points of follow‐up	Remote follow‐up (time after discharge):	25, 68
	(1)First 3 d;
	(2)2 wk;
	(3)3 mo;
	(4)6 mo.
	Out‐patient follow‐up (time after discharge):
	(1)1 wk;
	(2)2 wk;
	(3)1 mo.

Abbreviations: CT, computed tomography; CXR, chest radiography; DLCO, diffusing capacity of the lung for carbon monoxide; FEV1, forced expiratory volume in 1 second; FVC, forced vital capacity; MRI, magnetic resonance imaging; PCR, polymerase chain reaction; SGRQ, St. George Respiratory Questionnaire.