“…Four studies used absorbable synthetic mesh, 13,17,18,59 14 studies used biological graft, [13][14][15]22,24,25,30,33,35,50-52,57,60 1 study used combined mesh/ graft, 38 and 14 studies used nonabsorbable synthetic mesh. 19,20,22,23,29,33,34,37,44,46,49,55,56,58 The median follow-up time was 14 months (range 1-38 months). Two RCTs 13,22 and one nonrandomised comparative study 33 compared different types of mesh/graft and the others compared mesh/ graft with no mesh/graft.…”