Epidemiology of Maxillofacial Fractures at a Teaching Hospital in Malaysia: A Retrospective Study

Table 5

Association between helmet use and MFF types among motorcyclists (n=348).

Variable	Frequency(%)		P-value
	Used helmet (n=142)	Did not use helmet (n=206)
Alveolar-palatal
No	126 (41.0)	181 (59.0)	0.805
Yes	16 (39.0)	25 (61.0)
Nasal
No	116 (45.1)	141 (54.9)	0.006
Yes	26 (28.6)	65 (71.4)
NOE
No	131 (40.3)	194 (59.7)	0.478
Yes	11 (47.8)	12 (52.2)
Le Fort
No	108 (40.0)	162 (60.0)	0.570
Yes	34 (43.6)	44 (56.4)
Zygomatic complex
No	112 (41.0)	161 (59.0)	0.873
Yes	30 (40.0)	45 (60.0)
Zygomatic arch
No	121 (42.3)	165 (57.7)	0.220
Yes	21 (33.9)	41 (66.1)
Orbital wall
No	82 (47.7)	90 (52.3)	0.010
Yes	60 (34.1)	116 (65.9)
Maxillary sinus wall
No	111 (45.9)	131 (54.1)	0.004
Yes	31 (29.2)	75 (70.8)
Mandible
No	87 (37.8)	143 (62.2)	0.114
Yes	55 (46.6)	63 (53.4)

Chi-square test.