Table 1. Clinical characteristics of the training dataset*.
| Publicly available dataset [Ref.] | WHO I | WHO II | WHO III | Total WHO | Median F/U (range) (years) |
|---|---|---|---|---|---|
| Recurrences/n | |||||
| GSE9438 [37] | 2/24** | 2/6 | - | 4/31 | 9.02 (2.66-10.33) |
| GSE16581***[45] | 2/35 | 3/13 | 1/1 | 6/49 | 5.48 (0.05-8.80) |
| GSE43290****[38] | 3/33 | 4/13 | 1/1 | 8/47 | 4.67 (1.42-25.42) |
| Recurrences/Total (%) | 7/92 (73) | 9/32 (25) | 2/2 (2) | 18/127 (100) | 5.53 (0.05-25.42) |
Legend: F/U, follow-up; n, number of cases; Ref., reference; WHO, World Health Organization.
* Only this information was uniformly available for all cases.
** The WHO grade was not available for one case.
*** 19 samples were eliminated due to the following reasons: 3 samples lacked clinical data, 9 samples were recurrent tumors, 7 samples lacked time to progression data.
**** 4 normal meningeal cell samples were eliminated.