Table 2.
Characteristics of the patients with ICU length of stay (LOS) ≤ 2 and > 2 days
| ICU length of stay | ≤ 2 days | > 2 days | p |
|---|---|---|---|
| Number of patients (%) | 64 (69) | 29 (31) | |
| Number of males (%) | 41 (64) | 23 (79) | 0.157 |
| Age, y: median (IQR)a | 74 (66-79) | 74 (66-77) | 0.584 |
| Education (%): | |||
| < 8 years | 17 (27) | 16 (55) | |
| ≥8 years | 47 (73) | 13 (45) | |
| Use of any benzodiazepines (%) | 8 (12) | 3 (10) | 1 |
| Use of any antidepressants (%) | 5 (8) | 3 (10) | 0.701 |
| Use of any antihypertensive drugs (%) | 55 (86) | 23 (79) | 0.544 |
| Use of any B-blockers (%) | 15 (23) | 7 (24) | 1 |
| Use of any statins (%) | 14 (22) | 10 (34) | 0.211 |
| Smoking habits (%): no | 36 (56) | 19 (65) | 0.453 |
| Alcohol (%): no | 22 (34) | 9 (31) | 0.656 |
| Type of surgery (%): | |||
| General | 9 (14) | 10 (34) | 0.064 |
| Orthopaedic | 28 (44) | 8 (27) | |
| Urologic | 27 (42) | 11 (38) | |
| Type of anaesthesia (%): regional ± general | 13 (21) | 6 (21) | 0.814 |
| general | 51 (79) | 23 (79) | |
| ICU and hospital course | |||
| SAPS II median (IQR)a | 29 (23-39) | 31 (26-44) | 0.309 |
| Mechanical Ventilation in ICU (%) | 24 (37) | 17 (58) | 0.073 |
| Mechanical Ventilation (hours) median (IQR)a | 8 (3-8) | 42 (13-88) | 0.009 |
| Delirium in ICU (%) | 0 | 6 (20) | 0.001 |
| ICU LOSa (days) median (IQR)a | 1 (1-2) | 1 (1-3) | < 0.001 |
| Hospital LOS (days) median (IQR)a | 6 (5-8) | 9 (6-14) | 0.004 |
| Follow-up at 3 months | |||
| Perceived severity of illness > 5 (%)b | 14 (22) | 9 (31) | 0.437 |
| PTSS-14 median (IQR)a | 23 (18-30) | 26 (20-33) | 0.088 |
| HRQOL Comparison: worse (%) | 21 (33) | 13 (45) | 0.378 |
| Follow-up at 6 months (89 patients) | |||
| Perceived severity of illness > 5 (%)b | 9 (14) | 8 (27) | 0.072 |
| PTSS-14 median (IQR)a | 23 (18-30) | 26 (20-33) | 0.001 |
| HRQOL Comparison: worse (%) | 16 (25) | 9 (31) | 0.438 |
P: statistical significance according to chi square test, except for age, SAPS II, ICU and Hospital length of stay, and PTSS-14 (Mann Withney test).
a IQR: Inter Quartile Range
b Perceived severity of illness assessed by Numerical Rating Scale 0 to 10.