Table 1. . Baseline characteristics.
| Characteristic | TTFields plus second-line chemotherapy (n = 144) | Second-line chemotherapy alone (n = 60) |
|---|---|---|
| Median age, years (range) | 57 (29–83) | 58 (22–75) |
| Sex, n (%): | ||
| – Male | 108 (75) | 45 (75) |
| – Female | 36 (25) | 15 (25) |
| Median Karnofsky performance status score (%) (range) | 90 (60–100) | 90 (70–100) |
| Extent of resection at the time of diagnosis, n (%): | ||
| – Biopsy | 20 (14) | 10 (17) |
| – Gross total resection | 84 (58) | 34 (57) |
| – Partial resection | 40 (28) | 16 (27) |
| MGMT status, n (%): | ||
| – Methylated | 35 (24) | 14 (23) |
| – Unmethylated | 59 (41) | 25 (42) |
| – Invalid | 21 (15) | 10 (17) |
| – Unknown | 29 (20) | 11 (18) |
TTFields: Tumor-treating fields.