Clinical importance of comorbidity in patients with a proximal humerus fracture.
The aim of this prospective study of 100 consecutive patients with a proximal humerus fractures primarily was to investigate the prevalence and importance of poor health and comorbidity. Seventeen men and 83 women with a mean age of 73 years were involved together with 138 age and gender- matched controls. Twenty patients with a mean age of 81 years, were severely ill with a physical and/or mental