. 2020 Mar 12;22(3):e17425. doi: 10.2196/17425

Table 4.

Time and cost analysis.

Variable	High-fidelity simulation group	Virtual reality group	Difference^a	Percentage difference
Time per session (min), median (IQR)	42 (38-44)	20 (18-21)	21 (19-24)	50
Cost for single learner, single session (US $)^b	193.00	89.32	103.68	54
Cost for 50 learners, single session (US $)^b	9650.00	4466.15	5183.85	54
Cost of 1000 learners, single session (US $)^b	193,000.00	89,322.92	103,677.08	54
Cost for single learner, four sessions (US $)^b	772.00	132.29	639.71	83
Cost for 50 learners, four sessions (US $)^b	38,600.00	6614.58	31,985.42	83
Cost for 1000 learners, four sessions (US $)^b	772,000.00	132,291.67	639,708.33	83

^aMedian difference in time calculated via Hodges-Lehman median difference.

^bCost estimates are based on purchase orders for equipment and salaries for New York Metro Area and are in US $.