Bladder hyperplasia grade (bh-grade) Effect on bladder Cell layers
0 Normal 2-3
1 Slight hyperplasia 4
2 Slight/moderate hyperplasia 5-8
3 Moderate hyperplasia 9-10
4 Moderate/severe hyperplasia 10-12
5 Severe hyperplasia >12
Table 1: Classification of bladder hyperplasia in mice after hormone treatment. Bladder hyperplasia grade (bh-grade) was established on bladder tissue that was extended with fixative (10% formalin) at necropsy.