Post-treatment haemorrhage rate and associations with patients and study characteristics within radiosurgical and conservative treatment series
| Radiosurgical series (n=23) | Conservative series (n=25) | |||||
| RR | 95% CI | P value | RR | 95% CI | P value | |
| Male gender | 0.977 | 0.961 to 0.993 | 0.006 | 0.979 | 0.966 to 0.993 | 0.003 |
| Initial ICH | 1.009 | 1.002 to 1.017 | 0.013 | 1.014 | 1.012 to 1.016 | <0.001 |
| CCM | ||||||
| Lobar | 0.997 | 0.991 to 0.999 | 0.154 | 0.995 | 0.938 to 0.997 | <0.001 |
| Deep | 1.012 | 1.001 to 1.024 | 0.036 | 1.002 | 0.998 to 1.005 | 0.334 |
| Brainstem | 1.002 | 0.997 to 1.006 | 0.461 | 1.008 | 1.006 to 1.010 | <0.001 |
| Cerebellum | 1.006 | 0.992 to 1.020 | 0.387 | 0.953 | 0.939 to 0.968 | <0.001 |
CCM, cerebral cavernous malformation; ICH, intracerebral haemorrhage; RR, rate ratio.