Risk of recurrent intracerebral haemorrhage (ICH) at least 1 year after ICH, in cohorts that stratified their results by ICH location
| Recurrent ICH ≥1 year after index ICH, stratified by index ICH location | |||||||
|---|---|---|---|---|---|---|---|
| Study | Sample size | Inception point | Follow-up | Recurrence risk (%, 95% CI) | |||
| Mean duration (years) | Analytical method | Overall | Lobar | Non-lobar | |||
| Passero et al30 | 111 | Hospital discharge | 1 | Proportion | 7.2 (3.5 to 13.8) | 14.3 (6.3 to 28.2)† | 2.9 (0.2 to 10.6)† |
| Zia et al37 | 353 | 28 days after onset | 3 | Rate‡ | 2.3 | 2.5 | 2.3 |
| O'Donnell et al54 | 71 | 30 days after onset | 3 | Rate‡ | – | 14.3 | – |
| Yen et al42 | 585 | At ICH onset | 1 | Proportion | 1.9 (1.0 to 3.4) | 5.0 (1.9 to 11.4)† | 1.3 (0.5 to 2.8)† |
Studies are arranged by the start year of their study periods.
†Significant difference (p<0.05) between lobar and non-lobar ICH.
‡Rate reported per patient-year.