Table 3 of Ren, Mol Vis 2013; 19:561-574.


Table 3. BMI-1 expression and clinicopathological features of retinoblastomas.

  Grading of % BMI-1 positive cells
*0  1 2 3 4
(A) Rb differentiation
1. Undifferentiated (n=24) 1 5 5 7 6
2. Differentiated (n=10) 0 3 7 0 0
p=0.05 (Mann–Whitney U test)
(B) Rb retinas
1. Undifferentiated Rb (n=17) 3 6 8 0 0
2. Differentiated Rb (n=10) 1 5 4 0 0
p=0.86 (Mann–Whitney U test)
(B1) Outer nuclear layer
1. Undifferentiated Rb (n=17) 3 6 8 0 0
2. Differentiated Rb (n=10) 1 6 3 0 0
p=0.49 (Mann–Whitney U test)          
(B2) Inner nuclear layer
1. Undifferentiated Rb (n=17) 3 4 7 3 0
2. Differentiated Rb (n=10) 1 2 5 1 0
p=0.24 (Mann–Whitney U test)
(C) Tumor invasion
1. No invasion (n=9) 2 4 2 1 0
2. Invasion (n=25) 1 3 9 6 6
(i) to optic nerve only (n=14) 0 2 7 3 2
(ii) to choroid only (n=3) 1 1 1 0 0
(iii) to both (n=8) 0 0 1 3 4
(D) Optic nerve invasion (n=22)
1. To optic nerve head (n=13) 0 2 7 4 0
2. Past lamina cribrosa (n=9) 0 0 1 3 6