Betsi Cadwaladr had the highest proportion of RTT pathways waiting longer than one year in August, at 26.2% of pathways, whereas Swansea Bay had the lowest at 14.3% of pathways.
Betsi Cadwaladr oedd â’r gyfran uchaf o lwybrau RTT a oedd yn aros mwy na blwyddyn ym mis Mawrth, sef 26.3% o lwybrau, a Hywel Dda oedd â’r gyfran isaf, sef 13.1% o lwybrau.