Table 1.
Demographic status and clinicopathology.
| Overall (n = 28,290) | GTR (n = 4,318) | SpTR (n = 8,159) | |
|---|---|---|---|
| Age, median (range), y | 64 (55–73) | 63 (54–70) | 62 (53–71) |
| Tumor size, median (range), mm | 45 (33–56) | 45 (33–56) | 45 (33–56) |
| Sex | |||
| Female | 11,852 (41.9%) | 1819 (42.1%) | 3,316 (40.6%) |
| Male | 16,438 (58.1%) | 2,499 (57.9%) | 4,843 (59.4%) |
| Race | |||
| White | 25,394 (89.8%) | 3,900 (90.3%) | 7,378 (90.4%) |
| Others | 2,896 (10.2%) | 418 (9.7%) | 781 (9.6%) |
| Married | |||
| Yes | 18,050 (63.8%) | 2,867 (66.4%) | 5,466 (67.0%) |
| No | 10,240 (36.2%) | 1,451 (33.6%) | 2,693 (33.0%) |
| Urban | |||
| Yes | 24,873 (87.9%) | 3,849 (89.1%) | 7,204 (88.3%) |
| No | 3,417 (12.1%) | 469 (10.9%) | 955 (11.7%) |
| Area of the United States | |||
| Midwest | 18,276 (64.6%) | 2,867 (66.4%) | 5,263 (64.5%) |
| East | 4,720 (16.7%) | 672 (15.6%) | 1,583 (19.4%) |
| South | 5,008 (17.7%) | 755 (17.5%) | 1,250 (15.3%) |
| Oversea | 286 (1.0%) | 24 (0.6%) | 63 (0.8%) |
| Income (US dollar) | |||
| Lower than $55,000 | 8,198 (29.0%) | 1,325 (30.7%) | 2026 (24.8%) |
| Higher than $55,000 | 20,092 (71.0%) | 2,993 (69.3%) | 6,133 (75.2%) |
| Location | |||
| Frontal | 7,981 (28.2%) | 1,305 (30.2%) | 2,351 (28.8%) |
| Temporal | 7,044 (24.9%) | 1,302 (30.2%) | 2,440 (29.9%) |
| Parietal | 4,583 (16.2%) | 786 (18.2%) | 1,374 (16.8%) |
| Occipital | 1,223 (4.3%) | 236 (5.5%) | 379 (4.6%) |
| Cerebellum | 1,219 (4.3%) | 66 (1.5%) | 142 (1.7%) |
| Brainstem | 120 (0.4%) | 5 (0.1%) | 12 (0.1%) |
| Ventricle | 96 (0.3%) | 12 (0.3%) | 20 (0.2%) |
| Overlapping | 6,024 (21.3%) | 606 (14.0%) | 1,441 (17.7%) |
| Laterality | |||
| Left | 11,538 (40.8%) | 1875 (43.4%) | 3,139 (38.5%) |
| Mid | 4,629 (16.4%) | 275 (6.4%) | 1,342 (16.4%) |
| Right | 12,123 (42.9%) | 2,168 (50.2%) | 3,678 (45.1%) |
| Tumor extension | |||
| Confined | 21,523 (76.1%) | 3,727 (86.3%) | 6,664 (81.7%) |
| Ventricles | 1,119 (4.0%) | 132 (3.1%) | 312 (3.8%) |
| Midline | 4,493 (15.9%) | 353 (8.2%) | 948 (11.6%) |
| Metastasis | |||
| Yes | 398 (1.4%) | 30 (0.7%) | 73 (0.9%) |
| No | 27,892 (98.6%) | 4,288 (99.3%) | 8,087 (99.1%) |
| BCSS | |||
| Alive | 4,686 (16.6%) | 729 (16.9%) | 1,288 (15.8%) |
| Dead | 23,604 (83.4%) | 3,589 (83.1%) | 6,871 (84.2%) |
GTR, gross total resection; SpTR, supratotal resection; BCSS, brain cancer-specific survival.