The highest proportion waiting less than 26 weeks was in Aneurin Bevan health board (63%) and the lowest was in Cwm Taf Morgannwg (54.6%).
Roedd y gyfran uchaf a oedd yn aros llai na 26 wythnos ym Mwrdd Iechyd Aneurin Bevan (63%) a’r isaf yng Nghwm Taf Morgannwg (54.6%).