Table 3 Crosstabs on SSTR 2 immunohistochemistry (IHC) against molecular markers, histological type, and tumor grade
SSTR 2 IHC | |||
|---|---|---|---|
Negative | Positive | P value | |
n (%) | n (%) | ||
IDH1 mutation | |||
Yes | 3 (33.3) | 6 (66.7) | 0.007 |
No | 16 (84.2) | 3 (15.8) | |
1p/19q co-deletion | |||
Yes | 2 (50.0) | 2 (50.0) | 0.409 |
No | 17 (70.8) | 7 (29.2) | |
EGFR amplification | |||
Yes | 8 (100.0) | 0 (0.0) | 0.021 |
No | 11 (55.0) | 9 (45.0) | |
MGMT promoter methylation | |||
Yes | 13 (59.1) | 9 (40.9) | 0.080 |
No | 5 (100.0) | 0 (0.0) | |
p53 mutation | |||
Yes | 11 (78.6) | 3 (21.4) | 0.225 |
No | 8 (57.1) | 6 (42.9) | |
Grade | |||
III | 6 (42.9) | 8 (57.1) | 0.005 |
IV | 13 (92.9) | 1 (7.1) | |
Oligodendroglioma component | |||
Yes | 2 (28.6) | 5 (71.4) | 0.010 |
No | 17 (81.0) | 4 (19.0) | |