Table 1.

Main characteristics of monitored patients.

	Type of model	Number patients	Mean age	Most common comorbidities
Agarwal [17]	Pre-admission	97	Inconsistencies in reporting in the article (48.6, 43.6 and 43.8)	Asthma, hypertension, dyslipidemia and anxiety
Annis [8]	Pre-admission	2255	median 38*	NS
Grutters [26]	Step-down	33	57	NS
Margolius [4]	Pre-admission	4213	42	NS
Lam [20]	Pre-admission	50	median 44	hypertension, malignant disease
Medina [13]	Pre-admission and step-down	878	NS	NS
O'Keefe [12]	Pre-admission	496	47.6	hypertension, obesity, asthma diabetes
Shah [16]	Pre-admission	77	median 44	obesity and hypertension
Xu [21]	Pre-admission	48	median 37.5	NS
Hutchings [6]	Pre-admission	162	median 38	NS
Kricke [7]	Pre-admission	6835	47**	NS
Ford [14]	Pre-admission and step-down	154	NS	NS
Maghrabi [18]	Step-down	300	57	Hypertension
Thornton[5]	Pre-admission and step-down	Example 1: 1042 Example 2: 244	NS	NS
Morgan[28]	Pre-admission and step-down	2348	40-49	NS
O'Carroll [15]	Step-down	18	median 48	NS
Bell [19]	Pre-admission	192	median 43	NS
Gaeta [27]	Pre-admission	488	NS	NS
Gordon [37]	Step-down	225	Median 54	NS
Kodama [25]	Step-down	50	NS	NS
Nunan [22]	Pre-admission and step-down	273	median 50.3	NS
Pereira [38]	Pre-admission	12 (COVID-19+ve)	37.2	Obesity, hypertension
Silven [39]	Pre-admission and step-down	55	NS	NS
Francis [40]	Pre-admission and step-down	900	54.9	Diabetes, Asthma
Vindrola-Padros [24]	Pre-admission and step-down	2084	NS	NS
Wilcock [23]	Pre-admission	41	45.9	NS
Clarke [41]	Pre-admission and step-down	908	54	NS

*For the subset of 1496 patients who completed the programme; ** for a subset of 6,006 who completed a survey

NS=not specified