All cohorts (N=100) | Surgical series (n=52) | |||||
RR | 95% CI | P value | RR | 95% CI | P value | |
Male gender | 0.993 | 0.985 to 1.002 | 0.149 | 1.001 | 0.974 to 1.029 | 0.932 |
Initial ICH | 1.004 | 1.002 to 1.006 | <0.001 | 1.017 | 1.005 to 1.028 | 0.005 |
CCM | ||||||
Lobar | 0.997 | 0.995 to 0.998 | <0.001 | 0.975 | 0.964 to 0.986 | <0.001 |
Deep | 1.002 | 0.998 to 1.005 | 0.284 | 0.993 | 0.981 to 1.005 | 0.234 |
Brainstem | 1.006 | 1.004 to 1.008 | <0.001 | 1.016 | 1.010 to 1.023 | <0.001 |
Cerebellum | 0.995 | 0.986 to 1.003 | 0.190 | 0.997 | 0.975 to 1.020 | 0.843 |
CCM, cerebral cavernous malformation; ICH, intracerebral haemorrhage; RR, rate ratio.