The highest proportion waiting less than 26 weeks was in Swansea Bay health board (61%) 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 (61%) a’r isaf yng Nghwm Taf Morgannwg (52.2%).