Smart Community Emergency Evacuation Management System and Risk Assessment Based on Mobile Big Data

Table 6

Group test results of different grades.

	Reaction time	Decision time	Evacuation time	Arrival time	Injuries
D1	12	26	31	63	2
D2	13	24	28	60	1
D3	10	25	32	61	1
D4	9	20	34	52	0
D5	9	19	28	48	0
D6	8	21	30	45	0