Table 1 Characteristics of all patients (N = 127)
Characteristics | Low risk (n = 69) | High risk (n = 58) | p value |
|---|---|---|---|
Sex | Â | Â | 0.852 |
 Male | 55 (79.7%) | 47 (81.0%) |  |
 Female | 16 (20.3%) | 11 (19.0%) |  |
Age, median (range) | 11.8 (3.8–18.9) | 12.2 (4.5–25.1) | 0.606 |
Initial presentation | |||
 Headache | 35 (50.7%) | 35 (60.3%) | 0.278 |
 Vomiting | 28 (40.6%) | 28 (48.3%) | 0.384 |
 Endocrine problems | 21 (30.4%) | 18 (31.0%) | 0.942 |
 Visual problems | 19 (27.9%) | 19 (32.8%) | 0.557 |
 Neurologic symptoms | 20 (29.0%) | 14 (24.1%) | 0.539 |
Tumor location | Â | Â | 0.223 |
 Pineal | 24 (34.8%) | 28 (47.5%) |  |
 Sellar or suprasellar | 14 (20.3%) | 13 (22.0%) |  |
 Thalamus or basal ganglia | 17 (24.6%) | 7 (11.9%) |  |
 Ventricle | 1 (1.4%) | 1 (1.7%) |  |
 Bifocal | 10 (14.5%) | 7 (11.9%) |  |
 Multifocal | 3 (4.3%) | 1 (1.7%) |  |
 Brain stem | 0 (0.0%) | 1 (1.7%) |  |
Pathologic diagnosis |  |  | < 0.001 |
 Germinoma | 66 (95.7%) | 14 (23.7%) |  |
 Immature teratoma | 0 (0.0%) | 5 (8.5%) |  |
 Choriocarcinoma | 0 (0.0%) | 1 (1.7%) |  |
 Mixed | 0 (0.0%) | 14 (23.7%) |  |
 Unknown | 3 (4.3%) | 24 (40.7%) |  |
Tumor seeding on MRI, Yes | 7 (10.1%) | 7 (12.3%) | 0.704 |
Initial hydrocephalus, Yes | 39 (56.5%) | 30 (51.7%) | 0.589 |
ETV, Yes | 28 (40.6%) | 23 (39.7%) | 0.916 |
EVD, Yes | 24 (34.8%) | 14 (24.1%) | 0.192 |
Initial EVD and subsequent VP shunt insertion, Yes | 5 (7.2%) | 6 (10.3%) | 0.536 |
Direct VP shunt insertion, Yes | 5 (7.2%) | 4 (6.9%) | 0.939 |
Operation due to growing teratoma, Yes | 2 (2.9%) | 12 (20.7%) | 0.001 |
Follow-up year, median (range) | 8.4 (0.3–14.1) | 8.3 (0.2–14.2) | 0.706 |