Table 1

The number of sections not covered by the coverslip that were covered by balsam, and the number of levels where material was obscured by balsam; if two levels were mounted the level was only considered to be obscured if both sections were obscured

Number of sections
012345678910p Value
Number of sections not protected by the coverslip
Two sections/level1581594211
One section/level421000000.016
Number of sections covered by mountant
Two sections/level7531412414541131
One section/level363110110000<0.0001
Number of sections obscured by mountant
Two sections/level93334115123201
One section/level4120000000<0.0001
Number of levels with both sections obscured by mountant
Two sections/level1583632100
One section/level43000000<0.001