Method: This is a cross-sectional retrospective study conducting at 719 patients from the period March 2008 to December 2016 were enrolled and divided into 5 different age groups: Group 1 (2 - 5 years, 132 (18.3%)), Group 2 (6 - 11 years, 153 (21.3%)), Group 3 (12 - 15 years, 191 (26.6%)), Group 4 (16 - 18 years, 155 (21.6%) and Group 5 (>18 years, 88 (12.2%)).