Table 1. Patient demographics, tumor characteristics, and treatment modalities.
| Age | ||
|---|---|---|
| Median (y) | 62 | |
| Range | 20–87 | |
| N | % | |
| Gender | ||
| Male | 54 | 55.7 |
| Female | 43 | 44.3 |
| Smoking | ||
| Smoker | 21 | 21.7 |
| < 20 p/y | 13 | 13.4 |
| 20–40 p/y | 6 | 6.2 |
| > 40 p/y | 2 | 2.1 |
| Nonsmoker | 54 | 55.6 |
| Unknown | 22 | 22.6 |
| Race | ||
| White | 71 | 73.2 |
| Black | 13 | 13.4 |
| Other | 3 | 3.1 |
| N/A | 10 | 10.3 |
| Tumor status | ||
| Residual (< or = 6 mo) | 33 | 34 |
| Recurrent (> 6 mo) | 64 | 66 |
| Tumor site | ||
| Anterior cranial fossa | 11 | 11.3 |
| Middle cranial fossa | 12 | 12.3 |
| Posterior cranial fossa | 16 | 16.5 |
| Convexity | 32 | 33 |
| Parasagittal | 13 | 13.4 |
| Temporal | 10 | 10.3 |
| Others | 3 | 3.1 |
| Initial presentation | ||
| Asymptomatic | 43 | 44.3 |
| Ataxia | 1 | 1 |
| Nausea | 2 | 2 |
| Headache | 21 | 21.7 |
| Hearing loss | 5 | 5.2 |
| Visual impairment | 13 | 13.4 |
| Sensory deficit | 10 | 10.3 |
| Facial palsy | 2 | 2.1 |
| Number of isocenters per treatment (number of shots) | ||
| 1–10 | 29 | 30 |
| 10–20 | 32 | 33 |
| 20–30 | 17 | 17.5 |
| 30–40 | 10 | 10.3 |
| > 40 | 9 | 9.3 |
| Dose (Gy) | ||
| < 12 | 1 | 1 |
| 12 | 5 | 5.2 |
| 13 | 8 | 8.2 |
| 14 | 35 | 36.1 |
| 15 | 4 | 4.1 |
| 16 | 35 | 36.1 |
| > 16 | 9 | 9.3 |
| Tumor size (cc) | ||
| < 2 | 23 | 23.7 |
| 2–4 | 17 | 17.5 |
| 4–6 | 12 | 12.3 |
| > 6 | 46 | 47.4 |