Table 3.
Baseline population sample characteristics (n = 209) stratified according to delirium presence
| Delirium N = 27 |
No delirium N = 182 |
p | |
|---|---|---|---|
| Age, years | 87.15 ± 5.26 | 85.58 ± 6.66 | 0.243 |
| SBP (mmHg) | 134 ± 14 | 133 ± 12 | 0.948 |
| DBP (mmHg) | 74 ± 8 | 73 ± 8 | 0.748 |
| Drugs, n | 6.77 ± 3.40 | 6.74 ± 3.26 | 0.969 |
| MMSE | 19.63 ± 7.24 | 23.98 ± 3.67 | 0.011 |
| BADL | 1.85 ± 1.75 | 3.05 ± 2.19 | 0.008 |
| IADL | 1.35 ± 2.54 | 2.54 ± 2.79 | 0.041 |
| MNA | 19.92 ± 3.70 | 21.15 ± 3.65 | 0.252 |
| Glycaemia (mg/dL) | 119.59 ± 47.73 | 113.25 ± 40.92 | 0.506 |
| Albumin (g/dL) | 3.63 ± 0.68 | 3.48 ± 0.91 | 0.427 |
| Calcium, corrected (mg/dL) | 8.52 ± 2.01 | 8.66 ± 1.58 | 0.666 |
| Phosphorus (mg/dL) | 2.47 ± 1.90 | 3.47 ± 1.29 | 0.001 |
| Magnesium (mg/dL) | 1.88 ± 0.34 | 2.04 ± 0.28 | 0.009 |
| Potassium (mmol/L) | 4.26 ± 0.45 | 4.09 ± 0.56 | 0.691 |
| Sodium (mmol/L) | 140.44 ± 4.98 | 139.87 ± 5.25 | 0.593 |
| Clearance creatinine (BIS1) | 42.28 ± 22.85 | 38.66 ± 18.87 | 0.367 |
| Length of hospital stay (days) | 11.37 ± 8.24 | 11.60 ± 8.11 | 0.889 |
Data are presented as means ± SD
MMSE mini mental state examination (corrected by age and education), BADL basic activities of daily living, IADL instrumental activities of daily living, MNA mini nutritional assessment, Clearance creatinine calculated by BIS-1 (Berlin Initiative Study) formula and expressed as ml/min/1.73 m2.