The highest proportion waiting less than 26 weeks was in Aneurin Bevan health board (62.5%) and the lowest was in Cwm Taf Morgannwg (51.3%).
Roedd y gyfran uchaf a oedd yn aros llai na 26 wythnos ym Mwrdd Iechyd Aneurin Bevan (62.5%) a’r isaf yng Nghwm Taf Morgannwg (51.3%).