Table 3.

Percentages of missing data in in KAMC trauma registry.

Variable	Age ≤14 N= 3484 Missing %	Age>14 N= 7363 Missing %	Total N=10 847 Missing %
Injury Severity Score	0.1	0	0.1
Systolic blood pressure	2.4	3.6	3.2
Respiratory rate	3.3	3.1	3.2
(Motor vehicle crashes)	N=458	N= 3670	N=4128
Passenger position (front, driver, rear)	32.3	46.9	45.3
Seatbelt	76.6	69.4	70.2

KAMC: King Abdulaziz Medical City.