Table 1.
Characteristics of population based glioblastoma multiforme cases from three recruitment series of the San Francisco Bay Area Adult Glioma Study, 1991–2004
| All | Series I (1991–1994) |
Series II (1997–2000) |
Series III (2001–2004) |
|
|---|---|---|---|---|
| Number of GM cases/ censored (non-deceased) patients | 814/37 | 257/2 | 228/1 | 329/34 |
| Median survival, days (95% CI) | 256 (236,280) | 207 (176,240) | 241 (212,280) | 327 (287,385) |
| Proxy for patient responded to questionnaire | 353 (43%) | 151 (59%) | 94 (41%) | 108 (33%) |
| Demographics | ||||
| Age at diagnosis, yearsa | 61 (14) | 61 (14) | 61 (13) | 60 (14) |
| Males | 57% | 55% | 58% | 58% |
| White | 82% | 84% | 84% | 78% |
| Treatment | ||||
| Resection (partial or total) | 73 % | 69 % | 76% | 73% |
| Radiation therapy | 84% | 79% | 87% | 85% |
| Temodar | 24% | 0 | 2% | 63% |
| Other Chemotherapy | 12% | 11% | 23% | 6% |
| Current standard of care (resection/radiation/temodar) | 17% | 0 | 2% | 41% |
| Antioxidant intake | ||||
| TAI (Trolox equivalent)b | 3371 (2327) | 2495 (1575) | 3787 (2399) | 3769 (2572) |
| Vitamin/Supplement use | 56% | 57% | 52% | 58% |
| Total calorie intake | 1901 (979) | 1674 (896) | 2023 (1064) | 1995 (952) |
a
Descriptive statistics for the continuous variables is presented by mean values and standard deviation in parenthesis.
b
TAI- Total antioxidant index.