Mae mwy o ysbytai bellach yn cyrraedd y lefelau uwch "B" i "D" yn erbyn Rhaglen Archwilio Genedlaethol Strôc Sentinel (SSNAP) o gymharu â'r hyn a welwyd yn 2013-14, pan oedd y rhan fwyaf o safleoedd Cymru'n cyrraedd y radd isaf, "E".
More hospitals are now reaching the higher levels “B” to “D” against the Sentinel Stroke National Audit Programme (SSNAP) than in 2013-14, where the majority of Welsh sites were achieving the lowest grade “E”.