Table 4 of Rojanaporn, Mol Vis 2018; 24:778-788.


Table 4. Classification of RB in patients with positive and negative test results for germline RB1 mutations detected by direct sequencing in combination with MLPA.

Detection Mutation type No. of eyes Number of eyes in ICRB stages
A B C D E Ex
Positive Nonsense 9 - 1 - 2 4 2
Splicing 7 - - 1 1 5 -
Frameshift 4 - - - 2 2 -
Missense 3 - 1 - - 2 -
Promoter 3 - - - - 2 1
Gross deletion 5 - - - - 3 2
  31 - 2
(6.5%) 1
(3.2%) 5 (16.1%) 18
(58.1%) 5
(16.1%)
Negative   20# - - - 8
(40.0%) 11
(55.0%) 1
(5.0%)
Total   51 - 2
(3.9%) 1
(1.9%) 13
(25.5%) 29
(56.9%) 6
(11.8%)