Table 7.

Risk of bias for bed or mattress sensors category using the Joanna Briggs Institute critical appraisal checklist for diagnostic test accuracy studies.

Study, year	Risk of bias
	Patient selection				Index test
	Q1	Q2	Q3	Q4		Q5	Q6	Q7	Q8	Q9	Q10
Agatsuma et al [16], 2009	a								N/Ab
Tenhunen et al [52], 2013			c						N/A		d
Zhang et al [29], 2013									N/A
Tsukahara et al [30], 2014									N/A
Hwang et al [46], 2014									N/A
Norman et al [50], 2014									N/A
Mora et al [48], 2015									N/A
Meng et al [47], 2016									N/A
Davidovich et al [45], 2016									N/A
Mosquera-Lopez et al [49], 2019									N/A
Sadek et al [51], 2020									N/A

^aIndicates low risk of bias.

^bN/A: not applicable.

^cIndicates unclear risk of bias.

^dIndicates high risk of bias.