Variables Number Percentage
Age (years)
Birth to 12 months 5 1.6
Preschool 5 1.6
School age 14 4.5
Adolescent 28 8.9
Adult 251 80.4
Geriatrics 9 2.9
Sex
Male
Female
126
186
40.4
59.6
Residence
Rural
Urban
148
164
47.4
52.6
BMI(kg/m2)
<18.5 47 15.1
18.5-24.5 229 73.4
25-30 27 8.7
>30 5 1.6
Co-existing illness
Yes
No
44
268
14
86
Procedures
Head and neck 47 15
Upper abdominal 13 4.2
Lower abdominal 170 54.5
Thoracic 6 1.9
Extremity 42 13.5
Perianal 12 3.9
Others 22 7
Table 1: Socio demographic characteristics of surgical patients operated in Gondar University Hospital, March 1, to April 30, 2015 (n=312).