“…The second largest group of studies were based around the use of VR for Delirium (18,47,56,66). Out of the four studies, three studies were classified to be in VR2 stage of development [two single arm prospective repeated measures design studies (18,66), single arm prospective study (47)] and one study of a protocol for a RCT to be at VR3 (56). All four studies had a similar target population of current ICU patients (18,47,56,66).…”