Table 1.

Study characteristics are provided.

	ICH				Mixed	TBI
Group	Akershus	Skåne	NorCoast	Ullevål	CQ500	Ullevål	Oslo Emergency
N	65	223	57	53	40	130	695
Mean haematoma volume mL and range	26.44; 0.02 to 210.32	37.28; 0.00 to 239.80	20.11; 0.00 to 134.91	47.95; 0.24 to 241.55	37.41; 0.00 to 151.90	24.79; 0.00 to 197.57	0.37; 0.00 to 36.20
Mean number of clusters (range)	2.66; 1.00 to 21.00	3.68; 0.00 to 23.00	2.18; 0.00 to 11.00	3.79; 1.00 to 17.00	9.38; 0.00 to 31.00	4.39; 0.00 to 29.00	0.63; 0.00 to 13.00

The first four columns were ICH sites/data sources. CQ500 data were ICH and TBI-bleed cases. The last two columns were TBI sites. Mean estimated total haematoma volume and number of distinct locations (i.e., clusters) are provided. See Supplementary Table 1 for imaging details.