Table 5. The course of early mobilization.
| Level 1 | Level 2 | Level 3 | Level 4 | Level 5 | Total | P | ||
| ROM exercise | Verticalization | Sitting on the edge of the bed | Standing | Walking | ||||
| Planned sessions (n) | 848 | 379 | 197 | 222 | 262 | 1908 | P<0.01a | |
| Patients accomplished the planned level (n (%)) | 848 (100) | 334 (89.1) | 162 | 184 | 196 | 1725 | ||
| (82.2) | (82.9) | (74.8) | (90.4) | |||||
| Sessions actually doneb (n) | 901 | 388 | 178 | 246 | 196 | 1908 | ||
| Intubation (n) | 450 | 80 | 38 | 18 | 0 | 686 | ||
| Assisted circulation (PCPS, VAD, ECMO, IABP, etc.) (n) | 70 | 30 | 10 | 35 | 43 | 188 | ||
| Time of decision of step down | Level 1 | Level 2 | Level 3 | Level 4 | Level 5 | Total | ||
| Sessions (n (%)) | 45 | 35 | 37 | 66 | 183 | |||
| At the start of rehabilitation (n (%)) | 45 (100) | 28 (80) | 15 (40.5) | 10 (15.2) | 98 (53.6) | |||
| During rehabilitation (n (%)) | 0 (0) | 7 (20) | 22 (59.5) | 56 (84.8) | 85 (46.4) | |||
| Reason for step down | Level 1 | Level 2 | Level 3 | Level 4 | Level 5 | Total | ||
| under criteria | ||||||||
| Sessions (n (%)) | 42 (93.3) | 34 (97.1) | 33 (89.2) | 60 (90.1) | 169 (92.3) | |||
| Vital sign(+) | Blood pressure (n) | 13 | 7 | 14 | 22 | 56 | ||
| Tachycardia, bradycardia, arrhythmia (n) | 7 | 4 | 3 | 3 | 17 | |||
| Respiration (n) | 3 | 4 | 3 | 0 | 10 | |||
| O2 saturation (n) | 0 | 7 | 3 | 3 | 13 | |||
| Fever (n) | 1 | 0 | 0 | 3 | 4 | |||
| Total (n (%)) | 24 | 22 | 23 | 31 | 100 (54.6) | |||
| Vital sign(–) | Consciousness, delirium (n) | 4 | 3 | 3 | 4 | 14 | ||
| General fatigue (n) | 0 | 0 | 1 | 16 | 17 | |||
| Nausea, vomiting (n) | 0 | 0 | 4 | 7 | 11 | |||
| Convulsion (n) | 8 | 1 | 0 | 0 | 9 | |||
| Bleeding risk (n) | 3 | 1 | 0 | 0 | 4 | |||
| Chest pain or other pain (n) | 0 | 3 | 0 | 2 | 5 | |||
| Device (n) | 3 | 4 | 2 | 0 | 9 | |||
| Total (n (%)) | 18 | 12 | 10 | 29 | 69 (37.7) | |||
| Others | ||||||||
| Cerebrospinal fluid leak (n) | 2 | 0 | 0 | 0 | 2 | |||
| Graft ischemia (n) | 1 | 1 | 2 | 0 | 4 | |||
| Muscle weakness (n) | 0 | 0 | 2 | 6 | 8 | |||
| Total (n (%)) | 3 | 1 | 4 | 6 | 14 (7.7) | |||
| The level of the previous day | Level 1 | Level 2 | Level 3 | Level 4 | Level 5 | Total | ||
| The average of next day’s goal | Total (level) | 2.65 | 2.61 | 3.58 | 4.57 | 4.93 | 3.23 | |
| (1–5) | (1–5) | (1–5) | (1–5) | (1–5) | (1–5) | |||
| Step-down session (level) | 2.02 | 3.44 | 3.78 | 5 | 3.44 | |||
| (1–5) | (1–5) | (1–5) | (1–5) | (1–5) | ||||
| Next day: level up(+/–) | 50/16 | 7/38 | 4/14 | 54/0 | 156/27 | |||
| Total | 66 | 45 | 18 | 54 | 183 |
aChi-squared test to compare the step-down rate among the levels
bAt some mobilization levels, the number of sessions actually done was higher than the planned number because drop-down sessions were added.