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Table 1 Frequency of the etiology of maxillofacial injuries in relation to age group and sex (n = 326) among patients seen in dental center of university of Gondar hospital, 2013–2015

From: Two years retrospective study of maxillofacial trauma at a tertiary center in North West Ethiopia

  Etiology P value/Chi square
Interpersonal violence Road traffic accident Others (fall, sport etc.)
Gender
 Male 211 44 6 P < 0.0001
 Female 36 26 3 X2 = 18.44
Age
 11–20 50 16 3 P < 0.00001
x2 = 66.0355
 21–30 117 32 5
 31–40 40 13 1
 >40 9 39 1
Residency
 Urban 57 48 4 P < 0.00001
 Rural 190 22 5 x2 = 51.2267