Towards pervasive computing in health care – A literature review

Table 17 Systems complexity

	n (%)	References
Single-component system	38 (57%)
Conventional mobile devices	13 (19%)	[26, 29, 63, 70, 71, 78, 80–83, 85–88, 91]
Wearables	10 (15%)	[24, 31, 41, 42, 46, 47, 51, 52, 55–57, 62]
Implanted devices	1 (1%)	[58]
Stationary devices	14 (21%)	[21, 27, 32–35, 37, 65–68, 72, 77, 79]
Two-component system	27 (40%)
Conventional mobile devices and wearables	9 (13%)	[22, 43, 44, 48–50, 54, 57, 60, 73]
Conventional mobile and stationary devices	10 (15%)	[13, 36, 40, 61, 64, 69, 74–76, 84]
Wearables and stationary devices	7 (10%)	[21, 23, 38, 39, 45, 53]
Implanted and stationary devices	1 (1%)	[59]
Three-component system
Conventional mobile and stationary devices and wearables	2 (3%)	[28, 30]

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