Table 1.
Clinical characteristics of HBs patients
| Characteristics | All samples/Patients (N=42) | Sporadic HBs (N=38) | VHL-related HBs (N=4) | P |
|---|---|---|---|---|
| Age, years | ||||
| Mean ± SD | 44±14 | 46±14 | 29±13 | 0.026a |
| Sex | ||||
| Male | 19 | 18 | 1 | 0.613b |
| Female | 23 | 20 | 3 | |
| Lesions number | ||||
| Multiple | 8 | 5 | 3 | 0.018b |
| Solitary | 34 | 33 | 1 | |
| Tumor size, cm | ||||
| Mean ± SD | 2.2±1.3 | 2.2±1.3 | 2.4±0.7 | 0.813a |
| Tumor location | ||||
| Cerebellum | 33 | 30 | 3 | 0.289b |
| Oblongata | 6 | 4 | 2 | |
| Spinal canal | 6 | 5 | 1 | |
| CPA | 1 | 1 | 0 | |
| Recurrence | ||||
| Present | 6 | 6 | 0 | 1.000b |
| Absent | 36 | 32 | 4 |
a
Mann-Whitney U test.
b
Fisher exact test.