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. 2019 Jan 7;20:1. doi: 10.1186/s12910-018-0340-z

Table 1.

Socio-demographics characteristics of patients (n = 560)

n %
Sex
 Female 365 65.2
 Male 195 34.8
 Total 560 100.0
Age
 18–40 206 36.8
 41–60 161 28.7
 61–80 163 29.1
  > 80 30 5.4
 Total 560 100.0
Marital Status
 Married 385 68.8
 Unmarried 104 18.6
 Widow /Widower 54 9.6
 Separate/Divorced 17 3.0
 Total 560 100.0
Education
 Illiterate 5 0.9
 Primary School 114 20.3
 Middle School 188 33.6
 High School 186 33.2
 Degree 67 12.0
 Total 560 100.0
Nationality
 Italian 539 96.2
 Foreign 21 3.8
 Total 560 100.0
Surgical Complexity
 Low 82 14.6
 Middle 275 49.1
 High 203 36.3
 Total 560 100.0