Compared are the R-Rated VHS (Magnum Entertainment) and the uncut German DVD (Dragon).
Difference: 6 scenes with a total length of 1 minute and 16 seconds.
The R-Rated Version lacks almost any violent scene. An Uncut Version (Unrated) is also available on VHS and DVD in the US.
Pat gets stabbed.
The last stabbings in the open heart (close-up) have been removed. The R-Rated Version only contains the first stab and the end of the shot when the knife gets pulled out.
Extended shot of Pat's dangling body. The camera tracks over the body bathed inn blood to the corpse of her friend. A large piece of iron sticks out of her body and a huge piece of glass out of her face.
The shot of the dog ripping off his master's throat has been removed. After the distance shot of the square, a shot of the dog eating up his master's throat/neck. He also rips off some bloody pieces of flesh.
After an intercut to the approaching cops, a further shot of the dog follows. He's still ripping off some pieces of flesh of his master's throat/neck.