Publications by authors named "Carl van Walraven Van Walraven"
Purpose: Epidemiological studies of primary subarachnoid hemorrhage (pSAH) frequently include population-based death registries for case finding. The positive predictive value of pSAH diagnoses in death registries is unknown.
Methods: This cross-sectional study identified all people in Ontario, Canada with pSAH listed as a cause of death between 2013 and 2017.