Table 1.
Number and percent of glioma cases that were both microscopically confirmed and had specific ICD-O-3 morphology codes (not 9380), by demographic characteristic, SEER, 1992-2007
| Characteristic | Glioma Cases | ||
|---|---|---|---|
| Totala | Microscopically confirmed with specific morphology | ||
| N | N | Percent | |
| Age (years) | |||
| 20-24 | 812 | 699 | 86.1% |
| 25-29 | 1,308 | 1,171 | 89.5% |
| 30-34 | 1,709 | 1,553 | 90.9% |
| 35-39 | 2,194 | 2,038 | 92.9% |
| 40-44 | 2,730 | 2,522 | 92.4% |
| 45-49 | 3,224 | 3,003 | 93.1% |
| 50-54 | 3,879 | 3,607 | 93.0% |
| 55-59 | 4,133 | 3,835 | 92.8% |
| 60-64 | 4,253 | 3,917 | 92.1% |
| 65-69 | 4,252 | 3,865 | 90.9% |
| 70-74 | 4,530 | 3,948 | 87.2% |
| 75-79 | 4,081 | 3,353 | 82.2% |
| 80-84 | 2,579 | 1,793 | 69.5% |
| 85+ | 1,448 | 663 | 45.8% |
| Total, age 30-69 years | 26,374 | 24,340 | 92.3% |
| Period (age 30-69 years) | |||
| 1992-1995 | 4,121 | 3,813 | 92.5% |
| 1996-1999 | 4,345 | 4,006 | 92.2% |
| 2000-2003 | 8,606 | 7,916 | 92.0% |
| 2004-2007 | 9,302 | 8,605 | 92.5% |
| Sex (age 30-69 years) | |||
| Male | 15,607 | 14,414 | 92.4% |
| Female | 10,767 | 9,926 | 92.2% |
| Race/ethnic group (age 30-69 years) | |||
| Non-Hispanic White | 20,860 | 19,354 | 92.8% |
| Hispanic White | 2,735 | 2,487 | 90.9% |
| Black | 1,444 | 1,297 | 89.8% |
| Asian/Pacific Islander | 1,222 | 1,098 | 89.9% |
| American Indian/Alaskan Native | |||
| Native | 113 | 104 | 92.0% |
aGBM (codes 9440, 9441, 9442), non-GBM (codes 9382, 9400, 9401, 9410, 9411, 9420, 9450, 9451, 9460), and non-specific glioma, malignant (9380)