Table 1. Clinical characteristics of the study group (n = 405) including a comparison between ND and D patients.
| Variable | Feature of the variable | Total | ND | D | P-value |
| Data are presented as mean ± SD or n (%). D: delirium; ND: no delirium. | |||||
| Age | 60-74 yrs | 220 (54.3%) | 211 (60.6%) | 9 (15.5%) | < 0.001 |
| 75-89 yrs | 179 (44.2%) | 134 (38.5%) | 45 (78.9%) | ||
| 90-93 yrs | 6 (1.5%) | 3 (0.9%) | 3 (5.6%) | ||
| Sex | Male | 248 (61.2%) | 215 (61.7%) | 33 (57.9%) | < 0.6 |
| Female | 157 (38.2%) | 133 (38.3%) | 24 (42.1%) | ||
| Myocardial infarction | STEMI | 209 (51.6%) | 186 (53.4%) | 23 (40.3%) | < 0.07 |
| NSTEMI | 196 (48.4%) | 162 (46.6%) | 34 (59.6%) | ||
| Multimorbidity | Number of chronic diseases | 3.5 ± 1.4 | 3.3 ± 1.0 | 4.6 ± 1.4 | < 0.001 |
| LVEF | At admission | 47.2 ± 9.7 | 49.3 ± 8.0 | 33.6 ± 7.9 | < 0.001 |
| Polypharmacy before hospitalization | 160 (39.5%) | 105 (30.2%) | 55 (96.5%) | < 0.001 | |
| Number of medications | p.o. before hospitalization | 4.0 ± 2.4 | 3.6 ± 2.1 | 7.0 ± 1.6 | < 0.001 |
| p.o. during hospitalization | 7.3 ± 2.5 | 6.7 ± 1.9 | 11.0 ± 1.9 | < 0.001 | |
| Diabetes | 180 (44.4%) | 132 (37.9%) | 48 (84.2%) | < 0.0001 | |
| Chronic kidney disease | 130 (32.1%) | 99 (28.4%) | 31 (54.5%) | < 0.0001 | |