Management information suggests that in January, when there were just over 755,400 open patient pathways, there were about 586,500 individual patients on treatment waiting lists in Wales.
Mae gwybodaeth reoli yn awgrymu bod tua 586,500 o gleifion unigol ar restrau aros am driniaethau yng Nghymru ym mis Ionawr, pan oedd ychydig dros 755,400 o lwybrau cleifion ar agor.