Table 1: Clinical characteristics.

All
( )
65–79 years
( )
≥80 years
( )

Age 0.0001
Sex (males, %)17.921.516.20.306
Number of drugs 0.569
Use of more than 4 drugs (%)43.543.043.70.612
CIRS 0.432
Lost BADL 0.0003
Lost IADL 0.001
MMSE 0.003
GDS 0.03
BMI (Kg/m2) 0.01
Blood glucose (mg/dL) 0.280
Hemoglobin (g/dL) 0.0004
Creatinine (mg/dL) 0.179

Data are expressed as mean ± standard deviation; CIRS: Cumulative Illness Rating Scale; BADL: basal activities of daily living; IADL: instrumental activities of daily living; MMSE: Mini-Mental State Examination; GDS: Geriatric Depression Scale; BMI: body mass index.