For all local health boards, the number of patients waiting longer than one year and two years rose sharply during the pandemic, but in most cases they have since turned downwards.
Gwelwyd cynnydd yn nifer y llwybrau cleifion sy’n aros mwy na blwyddyn a dwy flynedd oherwydd pandemig y coronafeirws, ond mae’r niferoedd yn gostwng erbyn hyn.