层次分析结构图

C9

C12

Athlete injury

Event LayerC

C14

C5

C7

Communication failure

Traffic congestion on the way to the venue

Command system failure

Traffic security category risk

Terrorist Attack

Medical and health risks

C10

Group behavior

Guideline layerB

C4

C1

B1

B3

New crown epidemic (Omicron)

A

B2

C8

Event security risk assessment hierarchy model

B5

Major cases

C6

Risk Importance

Meteorological security risk

B4

C13

Individual extreme events

Target layerA

C3

Safety and security category risk

Traffic congestion in the venue

C2

Food poisoning

Radio interference 

Technology and communication assurance type of risk

C11