| Age in years | p-value (ANOVA) |
---|---|---|
 Mean | 46.5 | – |
 Median | 47.3 | – |
 Range | 7.1–79.1 | – |
Subgroups | ||
 NF2 VS | 27.5 | < 0.0001* |
 Prior RT | 50.2 | 0.1153 |
 Recurrent VS | 45.2 | 0.4658 |
 Hannover Classification T3/4 | 46.5 | 0.9879 |
 ASA intake | 56.6 | < 0.0001* |