Table 1 Patient characteristics and clinical course
|  | n = 334 |
|---|---|
Age, years, median (IQR) | 67 (58, 74) |
Male, n (%) | 266 (79.6) |
BMI, kg/m2, median (IQR) | 25.4 (22.6, 28.7) |
 Obesity (BMI ≥ 25), n (%) | 175 (52.4) |
Living with family, n (%) | 250 (74.9) |
SOFA score on the day of ventilation start, median (IQR) | 5 (4, 7) |
PaO2/FIO2 ratio before mechanical ventilation | 129 (91, 184) |
Clinical frailty scale | 2 (1, 3) |
 Frailty (Clinical frailty scale ≥ 4), n (%) | 21 (6.3) |
ICU mobility scale | Â |
 3 days | 0 (0, 0) |
 5 days | 0 (0, 1) |
 7 days | 0 (0, 1) |
Delirium, n (%) | 63 (18.9) |
 Duration of delirium within 1 week of ICU admission, day, median (IQR) | 2 (1, 4) |
 Duration of mechanical ventilation, day, median (IQR) | 8 (6, 14) |
 Length of ICU stay, day, median (IQR) | 11 (8, 18) |
 Length of hospital stay, day, median (IQR) | 21 (11, 38) |
Comorbidity, n (%) | 225 (67.4) |
 Hypertension | 146 (43.7) |
 Diabetes mellitus | 114 (34.1) |
 Cardiac disease | 37 (11.1) |
 COPD | 30 (9.0) |
 CKD G5 | 9 (2.7) |
 Autoimmune disorder | 12 (3.6) |
 Immunodeficiency | 12 (3.6) |
 Malignant tumor | 22 (6.6) |
Reintubation, n (%) | 12 (3.6) |
Tracheostomy, n (%) | 60 (18.0) |
ECMO, n (%) | 46 (13.8) |
 Duration of ECMO, day, median (IQR) | 11.5 (9, 17) |
Prone position, n (%) | 154 (46.1) |
 Time from ICU admission to prone position, day, median (IQR) | 1 (1, 2) |
 Duration of prone position, day, median (IQR) | 4 (2, 5) |
 Prone position time per session, hour, median (IQR) | 16 (8, 16) |
Continuous neuromuscular blocking agent, n (%) | 154 (46.1) |
 Duration of continuous neuromuscular blocking agent, day, median (IQR) | 2 (2, 4) |
Corticosteroid, n (%) | 259 (77.5) |
 Maximum prednisolone dose, mg/day, median (IQR) | 44 (30, 82.5) |
RRT, n (%) | 29 (8.7) |
 IRRT | 16 (4.8) |
 CRRT | 24 (7.2) |
Rehabilitation program, n (%) | 182 (54.5) |
 Time from ICU admission to rehabilitation program initiation, day, median (IQR) | 5 (2, 15) |
 ICU diary, n (%) | 36 (10.8) |