From: Does age matter? - A MRI study on peritumoral edema in newly diagnosed primary glioblastoma
Age group | Age ≥ 65 ys | Age >65 ys | Age ≥ 55 ys | Age 55-69 ys | Age ≥ 70 ys |
---|---|---|---|---|---|
Nr. of patients | n = 61 | n = 61 | n = 42 | n = 41 | N = 39 |
Age [years] | |||||
Mean | 51 | 72 | 46 | 64 | 75 |
Standard dev. | 8.91 | 4.64 | 7.5 | 4.3 | 3.7 |
Maximum edema [mm] | |||||
Mean | 23.6 | 21 | 23.5 | 22.7 | 20.6 |
Standard dev. | 11.96 | 12.96 | 11 | 12.4 | 14.2 |
Degree of edema | |||||
Mean | 1.75 | 1.43 | 1.67 | 1.78 | 1.31 |
Median | 2 | 1 | 1.5 | 2 | 1 |
Standard dev. | 1.11 | 1.12 | 1.07 | 1.13 | 1.13 |
Tumor area [mm 2 ] | |||||
Mean | 1344 | 1285 | 1411 | 1271 | 1258 |
Standard dev. | 814 | 903 | 885 | 858 | 837 |
Degree of necrosis [n (in %)] | |||||
none | 1 (1.6%) | 3 (4.9%) | 1 (2.4%) | 0 | 3 (7.7%) |
<25% | 4 (6.6%) | 8 (13.1%) | 2 (4.8%) | 4 (9.8%) | 6 (15.4%) |
25-50% | 13 (21.3%) | 13 (21.3%) | 11 (26,1%) | 8 (19.5%) | 7 (17.9%) |
>50% | 43 (70.5%) | 37 (60.7%) | 28 (66.7%) | 29 (70.7%) | 23 (59.0%) |
Tumor localisation [n (in %)] | |||||
Depth: | |||||
Superficial | 10 (16.4%) | 9 (14.8%) | 5 (11.9%) | 7 (17.1%) | 7 (17.9%) |
Deep | 51 (83.6%) | 52 (85.2%) | 37 (88.1%) | 34 (82.9%) | 32 (82.1%) |
Region of brain: | |||||
Frontal | 22 (36.1%) | 13 (21.3%) | 16 (38.1%) | 10 (24.4%) | 9 (23.1%) |
Temporal | 15 (24.6%) | 20 (32.8%) | 11 (26.2%) | 7 (17.1%) | 9 (23.1%) |
Central | 14 (23.0%) | 13 (21.3%) | 7 (16.7%) | 16 (39.0%) | 12 (30.8%) |
Parietooccipital | 6 (9.8%) | 13 (21.3%) | 4 (9.5%) | 7 (17.1%) | 8 (20.5%) |
Basal ganglia | 3 (4.9%) | 2 (3.3%) | 3 (7.1%) | 1 (2.4%) | 1 (2.5%) |
Other | 1 (1.6%) | 0 | 1 (2.4%) | 0 | 0 |