This isn't really original, or even half-clever. It's a cruder, stupider variant of a clever idea called shot quality.
But here goes.
While I was trying to avoid watching the OT tonight, I did this:
If you don't need many shots to score a goal, we'll call that "shot efficiency." Other analysts refer to it (or related measures) as "shot quality."
How many shots does a team have to take to score a goal? Here's the
numbers for 2008/09 so far.
First number is team rank (by point percentage, so it accounts for games in hand, OTL, etc.; when all teams have played all their games, point percentage ranking is the same as their final standings ranking).