The percentage of patients waiting less than 26 weeks decreased (the lowest since December 2017) and the number waiting longer than 36 weeks increased (the highest since January 2018).
Roedd canran y cleifion a oedd wedi aros llai na 26 wythnos wedi gostwng (yr isaf ers mis Rhagfyr 2017) ac roedd y nifer a oedd wedi aros mwy na 36 wythnos wedi cynyddu (yr uchaf ers mis Ionawr 2018).