This metric means very little. It does not measure the extent of code path coverage and much more.
Code coverage can tell you what code is not tested at all.
Now, this is very useful. But:
Code coverage can't tell you what code _is tested_.
Code coverage can't tell you how _well_ code is tested.
Code coverage can tell you what code is not tested at all.
Now, this is very useful. But:
Code coverage can't tell you what code _is tested_.
Code coverage can't tell you how _well_ code is tested.