However, there was less variation in the cost per items prescribed, per prescribing unit, with six of the seven health boards within £0.30 of the Wales average.
Fodd bynnag, roedd llai o amrywiaeth yn y gost fesul eitem a ragnodwyd, fesul uned ragnodi, ac roedd chwech o'r saith bwrdd iechyd o fewn £0.30 i gyfartaledd Cymru.