INS and susceptibility to pneumonia measurement: Compared with persons who survived, persons who died were likely to be older, of male sex, were likely to be admitted for pneumonia or CHF, were likely to have lower level of albumin or hemoglobin, lower level of vitamin D or higher vitamin B12 and higher level of creatinine, were also likely to have had a lengthier hospitalization stay, a greater number of hospitalizations in the last year, a higher number of comorbidities, to have consumption of ≥5 drugs or likely to be treated with insulin, diuretics, antipsychotics, anticoagulants or benzodiazepines.