Table 1.
Baseline demographics and clinical characteristics
| Characteristic | Cohort (n = 47) |
|---|---|
| Age at enrollment (y) | 58 (48, 65) |
| Female, % (n) | 38 (18) |
| Education (y) | 12 (12, 14) |
| Short IQCODE | 3 (3, 3.06) |
| Baseline cognitive impairment, % (n/total)a | 4 (2) |
| APACHE II at enrollment | 24 (18, 29) |
| SOFA score at enrollment | 9 (7, 12) |
| Mechanical ventilation, % (n) | 94 (44) |
| Sepsis during ICU stay, % (n) | 57 (27) |
| Admission diagnoses, % (n) | |
| Sepsis/Acute respiratory distress syndrome | 30 (14) |
| Hepatobiliary/Pancreatic surgery | 21 (11) |
| CHF/MI/Cardiogenic shock | 13 (6) |
| ARDS without infection | 9 (4) |
| COPD/Asthma | 6 (3) |
| Vascular surgery | 4 (2) |
| Other diagnoses | 17 (8) |
| ICU length of stay (d) | 4 (2, 6) |
| Hospital length of stay (d) | 9 (6, 13) |
| Delirium prevalence, % (n/total) | 70 (32) |
| Delirium duration (d) | 1 (0, 3) |
| Coma duration (d) | 1 (0, 2) |
CHF indicates congestive heart failure; MI, myocardial infarction; ARDS, acute respiratory distress syndrome; COPD, chronic obstructive pulmonary disease.
a
Baseline cognitive impairment was defined as having a score higher than 3.3 on the IQCODE-SF. Data are presented as medians and interquartile ranges.