Table 2 Annual hemorrhage rates per patient with CM.
From: Natural course of cerebral and spinal cavernous malformations: a complete ten-year follow-up study
Parameter | Total person-years | No. of events | Annual bleeding rate (%) |
|---|---|---|---|
All patients | 910 | 32 | 3.5 |
Bleeding at diagnosis | 490 | 22 | 4.5 |
DVA | 260 | 10 | 3.8 |
BSCM | 270 | 11 | 4.1 |
ISCM | 60 | 4 | 6.7 |
FD | 260 | 10 | 3.8 |
Asymptomatic | 220 | 0 | 0 |