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. 2020 Nov 20;3(11):e2026698. doi: 10.1001/jamanetworkopen.2020.26698

Table. Patient Characteristics and Description of Facial Injuries Associated With Electric Scooters (e-Scooters).

Characteristic No. (%)a
Patients
Female 46 (37)
Age, y
Mean (SD) 32.5 (12.7)
Median (range) 30 (10-95)
<18 3 (2.4)
Pedestrian hit by an e-scooter 2 (1.6)
Alcohol consumption 45 (49)
Drug consumption 5 (6)
Speed at the time of the accidentb
Low or medium 43 (49)
High 44 (51)
Driving on the sidewalk at the time of the accident 26 (31)
Tandem riding 12 (14)
User level (>10 e-scooter uses before the accident) 51 (60)
Previous experience with motorcycle driving 23 (27)
Driver’s license 51 (60)
Helmet use 10 (12)
Facial injuries
Mandibular fracturesc 66 (55)
No. of injured patients 36 (47)
Type
Unifocal 4 (72)
Plurifocal 22 (28)
Site
Dentulous portion 21 (32)
Condylar process 45 (68)
Midface fractures 53 (45)
No. of injured patients 43 (56)
Site
Nasal bones 20 (26)
Zygoma 13 (17)
Occlusofacial fracture (Le Fort) 4 (5)
Orbital fracture 7 (9)
Craniofacial fractures
No. of injured patients 7 (9)
Site
Fronto-orbito-ethmoidal fracture 1 (1)
Frontal sinus 7 (9)
Facial wounds 90
No. of injured patients 78 (62)
Site
Supraorbital rim/forehead 16 (18)
Nose 10 (11)
Cheek 3 (3)
Lips 25 (28)
Tongue 1 (1)
Chin 36 (40)
Dental trauma 115
No. of injured patients 55 (44)
Type
Crown fractures 69 (60)
Dental dislocation 40 (35)
Alveolodental fractures 6 (5)
Site
Incisors 92 (80)
Other teeth 23 20)
a

Denominators to calculate percentages may vary according to available data retrieved from the questionnaire as well as the medical records.

b

Patients were divided into 3 groups according to the speed at time of the accident: low (<10 kph), medium (10-20 kph), and high (>20 kph).

c

Each mandibular site of fracture in a patient was recorded as 1 fracture.