Table 11 Characteristics of participants in included observational studies
Reference | Country | Male sex | Age | Comorbidity | Number of coincident medications | Functional status/frailty level | Cognitive status |
|---|---|---|---|---|---|---|---|
Burton 2006 [48] | Scotland | 51% | Mean age 77 years, subgroup analysis age ≥ 75 years | Not reported | Not reported | Not reported | Not reported |
Sam 2004 [59] | USA | 49.8% | Men: mean age 72.5 years. Women: mean age 79 years, 100% older than 65 years | ASA/warfarin/none: congestive heart failure 14%/22%/65%, previous myocardial infarction 20%/18%/62%, stroke 25%/28%/46%, diabetes mellitus 25%/23%/53%, hypertension 21%/21%/58%, alcohol use 19%/26%/55% | Not reported | Not reported | Not reported |