Table 1 Characteristics of the glioma study population
Characteristics | Overall N=66465 | Children (Birth to 19 years); N=2066 | Young adults (20-39 years); N=7158 | Adults (40-64 years); N=30495 | Elderly (65-84 years); N=26746 |
|---|---|---|---|---|---|
Follow-up time (years) | |||||
Mean (SD) | 2.0 (3.20) | 5.5 (5.67) | 5.0 (4.81) | 2.0 (2.99) | 0.8 (1.31) |
Median (IQR) | 0.8 (0.25-1.92) | 2.7 (0.92-9.56) | 3.3 (1.25-7.58) | 1.1 (0.42-2.08) | 0.3 (0.17-0.92) |
Gender (%) | |||||
Female | 28077 (42.24) | 967 (46.81) | 2947 (41.17) | 12291 (40.30) | 11872 (44.39) |
Male | 38388 (57.76) | 1099 (53.19) | 4211 (58.83) | 18204 (59.70) | 14874 (55.61) |
Year diagnosed (%) | |||||
2000-2006 | 22148 (33.32) | 749 (36.25) | 2615 (36.53) | 10143 (33.26) | 8641 (32.31) |
2007-2012 | 20964 (31.54) | 669 (32.38) | 2124 (29.67) | 9922 (32.54) | 8249 (30.84) |
2013-2018 | 23353 (35.14) | 648 (31.36) | 2419 (33.79) | 10430 (34.20) | 9856 (36.85) |
Race (%) | |||||
Black | 4008 (6.03) | 255 (12.34) | 497 (6.94) | 1989 (6.52) | 1267 (4.74) |
White | 58747 (88.39) | 1604 (77.64) | 6024 (84.16) | 26844 (88.03) | 24275 (90.76) |
Other | 3710 (5.58) | 207 (10.02) | 637 (8.90) | 1662 (5.45) | 1204 (4.50) |
Histology (%) | |||||
Diffuse astrocytoma | 5983 (9.00) | 808 (39.11) | 1700 (23.75) | 2159 (7.08) | 1316 (4.92) |
Anaplastic astrocytoma | 6058 (9.11) | 377 (18.25) | 1539 (21.50) | 2596 (8.51) | 1546 (5.78) |
Glioblastoma | 50128 (75.42) | 623 (30.15) | 2361 (32.98) | 23632 (77.49) | 23512 (87.91) |
Oligodendroglioma | 4296 (6.46) | 258 (12.49) | 1558 (21.77) | 2108 (6.91) | 372 (1.39) |
Location (%) | |||||
Infratentorial | 1600 (2.41) | 478 (23.14) | 327 (4.57) | 487 (1.60) | 308 (1.15) |
Supratentorial | 50706 (76.29) | 1261 (61.04) | 5703 (79.67) | 23635 (77.50) | 20107 (75.18) |
Overlapping lesion | 14159 (21.30) | 327 (15.83) | 1128 (15.76) | 6373 (20.90) | 6331 (23.67) |