Table 1.
Baseline characteristics of GBM and GCG patients from 1985–2014 in US
| Characteristics | Type of glioblastoma | ||
|---|---|---|---|
|
GBM NOS N (%) |
GCG N (%) |
p‐Value | |
| Sex | |||
| Male | 14,375 (57.7) | 115 (55.3) | .481 |
| Female | 10,534 (42.3) | 93 (44.7) | |
| Age group | |||
| Adults (18–59) | 10, 221 (41.0) | 120 (57.7) | <.001 |
| Elderly (>60) | 14,686 (59.0) | 88 (42.3) | |
| Race | |||
| White | 22,700 (91.3) | 184 (88.5) | .318 |
| Black | 1,169 (4.7) | 12 (5.8) | |
| Other | 994 (4.0) | 12 (5.8) | |
| Ethnicity | |||
| Non‐Spanish–Hispanic–Latino | 23,791 (95.5) | 192 (92.3) | .027 |
| Spanish–Hispanic–Latino | 1,118 (4.5) | 16 (8) | |
| Year of diagnosis | |||
| Before 2010 | 20,719 (83.3) | 171 (82.2) | .71 |
| 2010–2014 | 4,190 (16.8) | 37 (17.8) | |
| Primary site | |||
| Supratentorial | 17,828 (71.6) | 168 (80.8) | <.001 |
| Brain overlap | 6,767 (27.2) | 33 (15.9) | |
| Infratentorial | 314 (1.3) | 7 (3.4) | |
| Surgery | |||
| None | 3,287 (26.1) | 13 (11.4) | <.001 |
| No GTR | 5,719 (45.5) | 50 (43.9) | |
| GTR | 3,574 (28.4) | 51 (44.7) | |
Abbreviations: GBM, glioblastoma multiforme; GCG, giant cell glioblastoma; GTR, gross total resection; NOS, not otherwise specified.