Table 2.
Factor | Overall (n = 64) | Short IMV (n = 34; 53%) | Prolonged IMV (n = 30; 47%) | P value |
---|---|---|---|---|
Time to first mobilize (days) | 9 [7–13] | 7 [5–8] | 12 [11–20] | < 0.001 |
ICU LOS (days) | 11 [8–18] | 8 [6–10] | 19 [13–31] | < 0.001 |
ICU Mobility Scale at ICU discharge | 3 [1–4] | 3 [1–5] | 3 [1–3] | 0.170 |
Physical function at ICU discharge | ||||
MRC sum score (points) | 56 [46–60] | 60 [58–60] | 51 [32–55] | < 0.001 |
< 48 points | 18 (28.1) | 4 (11.8) | 14 (46.7) | 0.002 |
Handgrip strength (kg) | 15.2 [8.4–22.5] | 18.0 [11.3–24.5] | 10.6 [6.1–16.5] | 0.003 |
Male < 11 kg, female < 7 kg | 18 (28.1) | 5 (14.7) | 13 (43.3) | 0.011 |
Male < 28 kg, female < 18 kg | 54 (88.5) | 26 (78.8) | 28 (100.0) | 0.013 |
Grip and release test score (/10 s) | 17 [10–23] | 17 [10–23] | 16 [8–22] | 0.481 |
Foot tapping test score (/10 s) | 14 [9–20] | 15 [11–18] | 12 [0–21] | 0.181 |
ESAS sum score at ICU discharge (points) | 19 [8–33] | 19 [5–32] | 19 [9–33] | 0.415 |
Post-ICU LOS (days) | 4 [1–7] | 4 [2–6] | 4 [0–7] | 0.532 |
Readmitted to ICU (%) | 5 (7.8) | 1 (2.9) | 4 (13.3) | 0.177 |
Discharged home (%) | 15 (23.4) | 11 (32.4) | 26 (13.3) | 0.085 |
Barthel Index at hospital discharge | 15 [0–75] | 25 [5–85] | 5 [0–45] | 0.040 |
ESAS edmonton symptom assessment system, ICU intensive care unit, LOS length of stay, MRC medical research council, IMV invasive mechanical ventilation.
Values are expressed as n (%) or median [interquartile range].