Figure 1

Study population flow. DPC: Diagnosis Procedure Combination. The number of patients for sex (male vs female) and age (60–84 years old vs ≥ 85 years old) stratification are shown.
Study population flow. DPC: Diagnosis Procedure Combination. The number of patients for sex (male vs female) and age (60–84 years old vs ≥ 85 years old) stratification are shown.