The highest proportion waiting less than 26 weeks was in Swansea Bay health board (60.2%) and the lowest was in Cardiff and Vale (52.2%).
Roedd y gyfran uchaf a oedd yn aros llai na 26 wythnos ym Mwrdd Iechyd Bae Abertawe (60.2%) a’r isaf ym Mwrdd Iechyd Caerdydd a’r Fro (52.2%).