When Susan is lying on her bed reading a book, before her uncle enters the room, she is wearing stockings. Moments later, when her uncle accosts her and they are wrestling on the staircase, she is no longer wearing stockings.
The paramedic does not cover the face of Nancy, the dead girl, with a sheet when they are taking her body away. There is an abrupt cut in the film at this point, probably because of this scene.
When Susan closes the glass inner lid of the coffin after putting Nancy back in, Nancy's nose is clearly smashed in by the lid.