You mean consulting one table, and only when the damage exceeds 10? Sounds like another system I know.
And not needing to consult it for non-important NPCs, such as standard antagonists in a combat situation.
One thing regarding this table: Is it also meant to be consulted for Xeno and Daemon enteties? Because I can see it working great for 'regular' human antagonists (Not mooks just human) but the same damage flavour for a bloodletter as for a ringleader of a smuggling ring?