The highest proportion waiting less than 26 weeks was in Aneurin Bevan health board (63.0%) 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 Aneurin Bevan (63.0%) a’r isaf yng Nghwm Taf Morgannwg (52.2%).