Mae llawer iawn mwy o gleifion wedi cael triniaeth rhwyll torgest drwy Fyrddau Iechyd Lleol Cymru na thriniaeth rhwyll y wain: derbyniodd 34,623 o gleifion driniaeth rhwyll torgest dros bum mlynedd yr adolygiad (2011/12 i 2017/18) o gymharu â'r 3,660 a gafodd driniaeth rhwyll y wain. O gymharu â gwledydd eraill, defnyddir techneg seiliedig ar rwyll ar gyfer bron i 100% o gleifion Denmarc sy'n cael triniaeth i drwsio torgest, o gymharu â thua 78% o gleifion sy'n cael llawdriniaeth yng Nghymru.
There are significantly more patients who have undergone hernia mesh procedures in Welsh Local Health Boards than have undergone vaginal mesh procedures: 34,623 patients received hernia mesh over the 5 years reviewed (2011/12 to 2017/18) compared with 3,660 with vaginal mesh procedures. By way of comparison to other countries, almost 100% of patients having hernia repair have a mesh-based technique in Denmark, compared to roughly 78% of patients here undergoing surgery here in Wales.