“…Of the 25 potentially appropriate studies [20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44] seven were excluded for reporting no explicit outcome of PD [20,21,22,23,24,25,27] one for duplicate publication [26] one for comparing somatostatin with octreotide [29] one for using octreotide in the control group [28]. Finally, 15 RCTs were included in the meta-analysis (table 1) [30,31,32,33,34,35,36,37,38,39,40,41,42,43,44]. …”