27 September 2025 : Clinical Research
Muscle Strength in ICU Patients Measured by Handgrip Dynamometer and ICU-Acquired Weakness: A Prospective, Single-Center Observational Study
Robert Fiut
ABDEF 1*, Weronika Wasyluk ABDEF 2, Izabela Świetlicka ACDE 3, Magdalena Ilona Szukała ABEF 4, Alicja Wójcik-Załuska ABCEF 1, Wojciech Dabrowski ABCEF 5, Manu L.N.G. Malbrain ABDEF 5,6,7
DOI: 10.12659/MSM.949637
Med Sci Monit 2025; 31:e949637
Table 4 Proportional hazard assumption – Schoenfeld test results.
| Variable | χ2 | df | P value |
|---|---|---|---|
| Age | 0.221 | 1 | 0.638 |
| Weight | 0.781 | 1 | 0.377 |
| Height | 0.952 | 1 | 0.329 |
| Duration of pharmacological sedation (days) | 0.697 | 1 | 0.404 |
| Duration of ICU stay (days) | 3.133 | 1 | 0.079 |
| Duration of catecholamine administration (days) | 0.215 | 1 | 0.643 |
| Time to regain consciousness (days) | 0.615 | 1 | 0.433 |
| Strength at first measurement (kg) | 0.001 | 1 | 0.981 |
| SexM | 0.796 | 1 | 0.372 |
| Sex: Mechanical ventilation | 2.081 | 2 | 0.353 |
| Global | 8.921 | 11 | 0.185 |