The crude excess risk of death in non-eligible patients ( HR @ ; @ % CI @ to @ ; P < @ ) was reduced after adjustment for risk factors which differed in the two cohorts including age , blood pressure , phosphate , CRP , smoking , diabetes , triglycerides , cardiovascular comorbidities and history of neoplasia ( HR @ ; @ % CI @ to @ ; P = @ ) and almost nullified after including in the same model also information on deambulation impairment ( HR @ ; @ % CI @ to @ ; P = @ ) .