The highest proportion waiting less than 26 weeks was in Swansea Bay health board (60.6%) and the lowest was in Cwm Taf Morgannwg (52.2%).
Roedd y gyfran uchaf a oedd yn aros llai na 26 wythnos ym Mwrdd Iechyd Bae Abertawe (60.6%) a’r isaf ym Mwrdd Iechyd Cwm Taf Morgannwg (52.2%).