title: CHKS data should be avoided when investigating mortality.
authors.forename: Craig J
authors.initials: CJ
authors.lastname: Currie
mesh_terms: D001249:Asthma / Q000401:mortality*; D017052:Hospital Mortality; D006760:Hospitalization / Q000706:statistics & numerical data; D006801:Humans; D012307:Risk Factors; D012720:Severity of Illness Index