“…A total of 18 studies were included in this systematic review and meta-analyses, encompassing 9109 patients [ 10 – 19 , 22 – 27 , 30 , 31 ]. Of them 8 studies were done in Ethiopia [ 11 – 17 , 30 ], 2 in Kenya [ 18 , 19 ], while 3 were in Sudan [ 22 , 23 , 31 ], 1 in Djibouti [ 10 ], 1 in Uganda [ 27 ], and 3 in Tanzania [ 24 – 26 ]. Based on the study design used 15 studies were done by cross-sectional study design [ 11 – 17 , 19 , 22 – 25 , 27 , 30 , 31 ] and other 3 studies were conducted by cohort study design [ 10 , 18 , 26 ].…”