Table 5. The mean cumulative effective dose (mSv) according to injury mechanism.

Mechanism (%)	Age: 0-4 (2487)	5-9 (1044)	10-14 (513)	15-19 (612)	20-59 (5629)	60-74 (989)	75+ (402)
Vehicular impact whenthe patient is inside vehicle (%)	1.3 (24)	5.7 (19)	1.6 (8)	9.4 (25)	5.6 (464)	10.9 (74)	14.3 (8)
Pedestrian injury (%)	3 (20)	2.3 (50)	1.9 (17)	14.5 (36)	12.5 (255)	14.6 (57)	10.8 (33)
Injury to motorcyclist (%)	1.6 (4)	0.1 (1)	0.8 (3)	16.2 (32)	14 (111)	2.5 (6)	46.2 (1)
Injury to cyclist (%)	1.3 (22)	1.3 (58)	5.1 (26)	1.5 (24)	2.6 (149)	7.4 (29)	5.2 (5)
Assaults (intentional injury) (%)	0.5 (67)	0.8 (86)	1.4 (102)	2.1 (148)	1.7 (798)	5.6 (52)	2.6 (12)
Fall down injury (%)	2.2 (337)	1.6 (85)	1.8 (28)	25.2 (17)	16.2 (166)	14.9 (46)	11.2 (20)
Slip down injury (%)	1.1 (1156)	0.8 (476)	0.9 (207)	1.3 (189)	1.9 (1770)	4.8 (523)	5.3 (274)
Injury by blunt object (%)	0.7 (145)	0.8 (66)	0.6 (28)	0.9 (33)	0.7 (378)	1.4 (37)	3.3 (6)
Simple laceration (%)	0.1 (82)	0.1 (22)	0 (20)	0.7 (26)	0.1 (444)	0.1 (22)	0 (4)
Burn (%)	0 (118)	0 (21)	0 (7)	0 (10)	0.1 (203)	0.6 (12)	1.1 (5)
Drug intoxication (%)	0.1 (4)	0 (1)	None	0.1 (12)	1.4 (116)	1.5 (21)	0.1 (6)
Animal bite (dog, cat) (%)	0 (17)	0.1 (12)	0.3 (8)	0 (6)	0 (110)	0 (19)	0.2 (4)
Foreign body (%)	0.1 (168)	0.1 (94)	0.1 (45)	0.1 (48)	0.1 (537)	1.4 (72)	3.2 (17)
Crushing injury (%)	0 (93)	0 (31)	0 (8)	0 (4)	2.4 (85)	0 (12)	0.4 (4)
Jaw dislocation, pulled elbow (%)	0 (230)	0.2 (22)	0.4 (5)	0 (1)	0.1 (28)	0.2 (4)	0 (1)

Patients were divided into subgroups based on age.

Note: Data are the mean cumulative effective dose in each patient. Data in parentheses are the number of patients. Injury mechanisms with 50 patients or less in total number were not provided in this table.