Prospective haemorrhage rate according to MR appearance in adult patients with cavernous malformations
| Interval | Type I | Type II | Type III | Overall |
|---|---|---|---|---|
| 0–≤1 year | 10.35 (5.73 to 18.69) | 5.01 (2.39 to 10.51) | 1.31 (0.33 to 5.26) | 5.02 (3.24 to 7.79) |
| <1–≤2 years | 11.89 (6.19 to 22.86) | 5.75 (2.58 to 12.80) | 1.69 (0.42 to 6.76) | 5.70 (3.54 to 9.17) |
| <2–≤3 years | 9.21 (3.46 to 24.55) | 5.77 (2.17 to 15.37) | 2.51 (0.63 to 10.04) | 5.20 (2.80 to 9.66) |
| <3 years | 4.05 (1.01 to 16.21) | 2.75 (0.89 to 8.53) | 0.71 (0.10 to 5.07) | 2.01 (0.90 to 4.48) |
| Overall | 9.47 (6.45 to 13.90) | 4.74 (3.06 to 7.34) | 1.43 (0.68 to 3.00) | 4.46 (3.41 to 5.84) |