Table 7 IDH1 and 1p/19q status of high- and low-risk groups of patients with LGG and those with GBM
| Â | LGG | GBM | ||
|---|---|---|---|---|
High risk | Low risk | High risk | Low risk | |
n | 121 | 395 | 135 | 19 |
IDH1 status | ||||
 Wild type | 73 (60.3%) | 21 (5.3%) | 130 (96.3%) | 10 (52.6%) |
 Mutation | 47 (38.8%) | 372 (94.2%) | 2 (1.5%) | 8 (42.1%) |
 Unknown | 1 (0.8%) | 2 (0.5%) | 3 (2.2%) | 1(5.3%) |
1p/19q status | ||||
 Codel | 13 (10.7%) | 156 (39.5%) |  |  |
 Noncodel | 108 (89.3%) | 239 (60.5%) | 130 (96.3%) | 18 (94.7%) |
 Unknown |  |  | 5 (3.7%) | 1 (5.3%) |
IDH1 and 1p/19q status | ||||
 Wild type and noncodel | 73 (60.3%) | 21 (5.3%) | 126 (93.3%) | 10 (52.6%) |
 Mutation and noncodel | 34 (28.1%) | 216 (54.7%) | 1 (0.7%) | 7 (36.8%) |
 Mutation and codel | 13 (10.7%) | 156 (39.5%) |  |  |
 Wild type |  |  | 4 (3.0%) |  |
 Mutation |  |  | 1 (0.7%) | 1 (5.3%) |
 Codel |  |  |  |  |
 Noncodel | 1 (0.8%) | 2 (0.5%) | 3 (2.2%) | 1 (5.3%) |