Summary of patient characteristics and MR imaging and volumetric parameters for the cohort of patients with MGBM considered in the study
| MGBM Cohort | |
|---|---|
| Patient characteristics | |
| No. of patients (censored) | 97 (7) |
| Age (median) (range) (yr) | 64 (23–83) |
| Sex (percentage) (age range) | 49 F, 50.52% (25–82 yr) |
| 46 M, 49.48% (23–83 yr) | |
| Survival (median) (range) (mo) | 7.39 (0.13–56.08) |
| Type of resection (percentage) | 55 MSR (56.70%) |
| 42 B (43.30%) | |
| Type of treatment (percentage) | 63 CT + RT (64.95%) |
| 6 RT alone (6.19%) | |
| 5 CT alone (5.15%) | |
| 23 No treatment (23.71%) | |
| MRI characteristics | |
| Pixel spacing (mean) (range) (mm) | 0.78 (0.39–1.17) |
| Slice thickness (mean) (range) (mm) | 1.55 (1.00–2.00) |
| No. of slices (mean) (range) | 171 (84–248) |
| Volumetric parametersa | |
| Tumor volume (mean) (range) (cm3) | 24.04 (0.20–115.79) |
| 28.55 (0.39–125.59) | |
| CE volume (mean) (range) (cm3) | 14.60 (0.20–64.35) |
| 17.92 (0.39–73.18) | |
| Necrotic volume (mean) (range) (cm3) | 9.43 (0.00–63.43) |
| 10.63 (0.00–63.44) | |
| CE rim width (mean) (range) (cm) | 0.53 (0.15–1.17) |
| 0.59 (0.19–1.24) | |
| Maximum diameter (mean) (range) (cm) | 4.59 (1.07–9.15) |
| 6.95 (2.42–14.75) | |
| Total surface (mean) (range) (cm2) | 54.31 (2.32–183.63) |
| 69.53 (5.01–212.20) | |
| Surface regularity (mean) (range) | 0.62 (0.15–0.93) |
| NA | |
Note:—MSR indicates maximal safe resection; NA, not applicable; CT, chemotherapy; RT, radiation therapy; B, biopsy.
↵a There are 2 volumetric parameters: those measured for the lesion with the largest volume (first row) and those computed for the aggregated tumor (second row).