Management information suggests that in March, when there were just over 790,000 open patient pathways, there were about 608,600 individual patients on treatment waiting lists in Wales.
Mae gwybodaeth reoli yn awgrymu bod tua 608,600 o gleifion unigol ar restrau aros am driniaethau yng Nghymru ym mis Mawrth, pan oedd ychydig dros 790,000 o lwybrau cleifion ar agor.