This small cross-sectional epidemiological study is designed to evaluate the prevalence of the following parameters in hospitalized patients in a tertiary teaching hospital (medical department only):

• kidney insufficiency
• obesity
• use of unfractionated heparins / low molecular weight heparins
• other drugs effecting the hemostatic system

This small cross-sectional epidemiological study is designed to evaluate the prevalence of the following parameters in hospitalized patients in a tertiary teaching hospital (medical department only):

• kidney insufficiency
• obesity
• use of unfractionated heparins / low molecular weight heparins
• other drugs effecting the hemostatic system

Inclusion Criteria:

• All patients hospitalized at the defined days (two days) at Kantonsspital Luzern, Department of Medicine

All patients hospitalized at the defined days (two days) at Kantonsspital Luzern, Department of Medicine