Management information suggests that in April, when there were just over 789,900 open patient pathways, there were about 611,100 individual patients on treatment waiting lists in Wales.
Mae gwybodaeth reoli yn awgrymu bod tua 611,100 o gleifion unigol ar restrau aros am driniaethau yng Nghymru ym mis Ebrill, pan oedd ychydig dros 789,900 o lwybrau cleifion ar agor.