Methods for additional analyses (e.g. subgroup analyses) {20b}
stroke, haemorrhagic
STROKE
Subgroup analyses, e.g. based on age (< 65 years, 65–80 years and > 80 years), sex (male and female), stroke severity (NIHSS score; mild, 0–8 moderate, 9–15 and severe, > 15), stroke type (ischaemic vs. haemorrhagic), treatment with tissue plasminogen activator and/or thrombectomy (yes or no) and geographical region, will be conducted as complementary analyses.