Table 2.

Summary of findings for the 7 new scenarios and 6 assessment criteria.

Technology/assistance in addition to “normal” video consultation		Assessment criteria
		Efficacy	NHSa capital cost	NHS delivery cost	Patient setup	Clinician training and guidance	Safetyb
Kubi + tablet		Good for outcome measures that did not require tracking; tracking poor due to time lag	£437c for Kubi plus £110 for Lenovo tablet	£40	Issues with device not holding charge, on/off button, Wi-Fi connection, instructions	Simple; the clinician calls the patient and can easily go from one patient to the next	Unable to view patient when not tracking; potential to lose sight of loss of balance/falls. Data security not an issue, as this approach involves continued use of standard software
Pivo
	Recorded	Good for all outcome measures; patient must transfer data file	£85	£26	Issues with connection, instructions	Simple	Data security unknown; more exploration needed
	Live	Good for all outcome measures, but patient contacts clinician	£85	£26	Issues with connection, instructions	Patient must call clinician; issues with instructions	Data security unknown; more exploration needed
Wide-angle webcam		Good for all outcome measures, but only works for laptop or personal computer	£190	£26	Only works for laptop or personal computer, but simple	Simple	Data security not an issue, as this approach involves continued use of standard software
Facebook TV Portal		Only works for upper body (feet not in picture); unable to effectively track faster walking; only usable in patient’s TV room	£140	£26	Requires Wi-Fi–connected smart TV; issues with instructions	Simple; the patient can be added to the clinician’s mobile contacts to make a WhatsApp call	Data security—some concerns related to using WhatsApp
Mobile phone
	Friend using mobile phone	Good for all outcome measures if a friend is available	£0	£0	Need to be able to call a friend	Simple	Data security not an issue, as this approach involves continued use of standard software
	Mobile phone holder	Patient may leave field of view during tracking	£26	£26	Simple	Simple	Data security not an issue, as this approach involves continued use of standard software

^aNHS: National Health Service.

^bAll technologies have safety considerations regarding space and collision with furniture.

^c1 British pound=US $1.39.