The percentage of patients waiting less than 26 weeks decreased (the lowest since December 2015) and the number waiting longer than 36 weeks increased (the highest since January 2016).
Roedd canran y cleifion a oedd wedi aros llai na 26 wythnos wedi gostwng (yr isaf ers mis Rhagfyr 2015) ac roedd y nifer a oedd wedi aros mwy na 36 wythnos wedi cynyddu (yr uchaf ers mis Ionawr 2016).