To provide likely scale of the impact, in March 2020 7,519 were waiting for therapies and in May 2020 9,840 were waiting in Betsi Cadwaladr.
Er mwyn darparu graddfa debygol yr effaith, ym mis Mawrth 2020 roedd 7,519 yn aros am therapïau ac ym mis Mai 2020 roedd 9,840 yn aros ym mwrdd iechyd Betsi Cadwaladr.