Which of the following pairings correctly matches KABCO letter to injury severity?

• A. K: Fatal injury; A: Incapacitating injury; B: Non-incapacitating evident injury; O: No injury
• B. K: Incapacitating injury; A: Fatal injury; B: Possible injury; O: No injury
• C. K: Fatal injury; A: Possible injury; B: Incapacitating injury; O: No injury
• D. K: Fatal injury; A: Non-incapacitating evident injury; B: Incapacitating injury; O: No injury

Answer: (A)

The main concept is the KABCO injury severity scale used in crash reports to quickly categorize how severe injuries are. Each letter represents a level of severity, from most to least:

• K means a fatal injury.

• A is an incapacitating injury (injuries that prevent the person from walking or continuing the trip).

• B is a non-incapacitating evident injury (visible injuries that do not incapacitate).

• O means no injury.

• C, if present, stands for a possible injury (not clearly evident).

The correct pairing lists K as fatal, A as incapacitating, B as non-incapacitating evident, and O as no injury, which aligns with the standard meanings. The other options mix these meanings, e.g., placing incapacitating where fatal or swapping the B and A roles, which isn’t consistent with the established scale. This mapping is what allows quick, consistent injury severity reporting across cases.