Stroke severity is an important covariate to explain variability in stroke risk-adjusted mortality rates: linked AuSCR registry and national hospital data

M Kilkenny, V Sundararajan, C Levi, A Thrift, L Churilov, N Andrew, P Anderson, R Grimley, J Kim, T Johnston, J Katzenellenbogen, F Flack, J Boyd, N Lannin, M Gattellari, Y Chen, S Middleton, C Anderson, D Cadilhac