Yes, you are correct. With most recovery apps it is files recovered. Blocks on a HDD is a different way of thinking for me and this is the first time ddrescue "worked" when other recovery apps did not even see the partition. Usually if they failed ddrescue could not access the drive either...
Jared recently wrote a user guide to ddrescue that I found while looking for a solution to my problem.
I recently had a friend with a new Hitachi 2TB 32MB 7200RPM 3.5" SATA 6.0Gb/s Internal Desktop Hard Drive with Win7 Pro OS that was reported by Windows as failing. He asked me to recover it...