Table 1.

Overlap of studies^a.

	Acute care hospitals, n			Multiple settings (review of reviews), n						Older adults (aged >60 years), n
	D’Costa et al [23], 2020	Grossman et al [15], 2019	Kelly et al [20], 2018	Dendere et al [27], 2019	Aslani et al [28], 2020	van Mens et al [25], 2019	Otte-Trojel et al [26], 2016b	Jilka et al [24], 2015	Sakaguchi-Tang et al [21], 2017		Kneale and Demiris [22], 2017
D’Costa et al [23], 2020	N/Ab	0	3	3	0	0	N/A	0	0		0
Grossman et al [15], 2019	0	N/A	0	1	0	0	N/A	0	0		0
Kelly et al [20], 2018	3	0	N/A	6	0	0	N/A	0	0		0
Dendere et al [27], 2019	3	1	5	N/A	1	6	N/A	2	0		2
Aslani et al [28], 2020	0	0	0	1	N/A	0	N/A	0	0		1
van Mens et al [25], 2019	0	0	0	6	0	N/A	N/A	0	0		0
Otte-Trojel et al [26], 2016c	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A		N/A
Jilka et al [24], 2015	0	0	0	2	0	0	N/A	N/A	0		0
Sakaguchi-Tang et al [21], 2017	0	0	0	0	0	0	N/A	0	N/A		1
Kneale and Demiris [22], 2017	0	0	0	2	1	0	N/A	0	1		N/A

^aOverlap tracked in 156 primary studies and 50 reviews.

^bN/A: not applicable.

^cNot able to obtain reference list.