New management information suggests that in April, when there were just over 743,300 open patient pathways, there were about 582,000 individual patients on treatment waiting lists in Wales.
Mae gwybodaeth reoli newydd yn awgrymu bod ychydig dros 582,000 o gleifion unigol ar restrau aros am driniaethau yng Nghymru ym mis Ebrill, pan oedd ychydig dros 743,300 o lwybrau cleifion ar agor.