Table 7.

Site distribution of maxillofacial fracture

Fracture site	Group A (1981∼1987)	Group B (1995∼1999)	Group C (2008∼2012)	Total
Middle third	69 (32.4, 16.5)	91 (42.7, 17.6)	53 (24.9, 4.3)	213 (100.0, 9.7)
Mandible	326 (18.2, 78.0)	351 (19.6, 68.0)	1,111 (62.1, 88.0)	1,788 (100.0, 81.4)
Mandible + middle third	23 (11.8, 5.5)	74 (37.9, 14.3)	98 (50.3, 7.8)	195 (100.0, 8.9)
Total	418 (19.0, 100.0)	516 (23.5, 100.0)	1,262 (57.5, 100.0)	2,196 (100.0, 100.0)

Values are presented as number (row %, colume %).