Fig. 4

Cumulative incidence plots of mortality within 3 years post-discharge for patients with a cancer diagnoses stratified by quartiles (Q1-Q4) of a: FI-OutRef, b: Age, c: No. of chronic diag., d: New chronic diag and e: New acute admissions. For proportion of cumulative mortality including 95% confidence interval (see Additional file 2: Appendix 2). Abbreviations: FI-OutRef: Frailty index by the number of admission laboratory test results outside the reference interval. No. of chronic diag: the number of unique chronic diagnoses within the 10-year period prior to the index admission. New chronic diag: the number of chronic diagnoses given in the 2-year period preceding the index admission. New acute admissions: the number of new acute admissions within the 2-year period preceding the index admission. 1) Note: Analyses for FI-OutRef includes 714 of the 726 discharged patients who had 10 or more standard laboratory tests at admission