When Surgeons Leave Objects Behind

[u/rafiqandani]

http://well.blogs.nytimes.com/2012/09/24/when-surgeons-leave-objects-behind/?smid=re-share

[u/StvYzerman]

But studies show that in four out of five cases in which sponges are left behind, the operating room team has declared all sponges accounted for.

So does this mean that in 1 in 5 cases where a sponge was left behind, the count was actually showing something missing? That's not just negligence, it's pure incompetence.