The average (median) time spent in emergency departments was 3 minute shorter in April compared to the previous month at two hours and forty one minutes.
Roedd yr amser cyfartalog (canolrifol) a gafodd ei dreulio mewn adrannau brys ym mis Mawrth dri munud yn fyrrach ym mis Ebrill o’i gymharu â’r mis blaenorol, sef dwy awr a phedwar deg un munud.