The average time spent in emergency departments in February was 4 minutes longer than the previous month at 2 hours and 45 minutes.
Roedd yr amser cyfartalog a gafodd ei dreulio mewn adrannau brys ym mis Chwefror 4 munud yn hirach na’r mis blaenorol – cyfanswm o 2 awr a 45 munud.