“…Data were obtained by questionnaires in 29 studies (36.7%),8,10,11,16–18,20,22–24,27,28,30,34–37,42,45,46,48,49,54,55,61,69,71,80,84 by interview in 21 (26.6%),13,25,31,38,41,47,52,53,57,60,62,65–68,73,74,78,82,83,85 and this was not reported in the remaining 29 studies (36.7%) 12,14,15,21,26,32,33,39,40,43,44,50,51,56,58,59,63,64,70,72,75–77,79,81,86–89. The mean success rate in studies only reporting on laparoscopic reoperations (17 studies)11–13,23–25,28,31,35,39,41,48,50,53,61,70,85 was 84.2 ± 2.5% and 84.6 ± 3.4% in studies in which all reoperations were performed by a conventional abdominal approach (ten studies) 10,22,33,44,58,…”