Table 14         Proposed HIC Tolerance Levels Correlated To Brain Injury

Injury Level

Proposed Tolerance Level

Equivalent Acc 

g

Equivalent

AIS

Equivalent Legislation

Equivalent Euro NCAP

 

HIC

(15 msec)

(For 3ms)

 

HIC

HIC

0

(No concussion)

< 150

<55

0

-

<650 Green

1

(No concussion)

< 150

<55

1

-

<650 Green

2

(Mild concussion <1hr)

150 – 500

55-90

2

BCT609 / ECE80

500

<650 Green

3

(Severe Concussion 1 – 24hr)

500 – 1800

90-150

3 / 4

FMVSS 208

1000

EC/79/96

1000

<650 Green

650 – 767 Yellow

767 – 883 Orange

883 – 1000 Brown

>1000 Red

4

(Life threatening coma >24hr)

>1800

>150

5

-

-