The highest proportion waiting less than 26 weeks was in Swansea Bay health board (60.3%) and the lowest was in Cwm Taf Morgannwg (52.3%).
Roedd y gyfran uchaf a oedd yn aros llai na 26 wythnos ym Mwrdd Iechyd Bae Abertawe (60.3%) a’r isaf ym Mwrdd Iechyd Cwm Taf Morgannwg (52.3%).