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Table 3 Factors affecting gait independence at hospital discharge

From: Determinants of gait independence after mechanical ventilation in the intensive care unit: a Japanese multicenter retrospective exploratory cohort study

Baseline characteristics Univariate analysis (n = 132) Multivariate analysis (n = 132)
  HR (95% CI) p value HR (95% CI) p value
Age (1 year) 1.02 (1.01–1.04) 0.008 1.02 (1.01–1.04) 0.008
Male 1.10 (0.70–1.76) 0.670   
Weight (1 kg) 0.99 (0.98–1.01) 0.141   
Body mass index (1 kg/m2) 0.98 (0.95–1.03) 0.101   
Charlson’s Comorbidity Index (× 1 point) 1.01 (0.97–1.14) 0.235   
APACHE II score (1 point) 1.05 (1.02–1.08) 0.011 1.02 (0.95–1.03) 0.192
SOFA score at ICU admission (1 point) 1.06 (0.97–1.14) 0.210   
Time to first rehabilitation assessment (1 day) 1.00 (0.91–1.08) 0.968   
Time to first out-of-bed mobilization (1 day) 1.01 (0.99–1.06) 0.281   
Duration of mechanical ventilation (1 day) 1.03 (1.01–1.07) 0.040   
ICU length of stay (1 day) 1.05 (1.02–1.09) 0.005 1.03 (0.93–1.09) 0.167
Highest reach IMS at ICU entry 0.92 (0.83–1.03) 0.095   
Delirium 2.04 (1.27–3.38) < 0.001 1.49 (1.05–2.42) 0.033
MRC sum-score at ICU discharge (1 point) 0.94 (0.91–0.96) < 0.001   
MRC sum-score < 48 at ICU discharge 2.89 (1.86–4.55) < .0001 2.16 (1.32–338) < .0001
  1. APACHE II Acute Physiology and Chronic Health Evaluation, SOFA Sequential Organ Failure Assessment, MRC Medical Research Council, HR = hazard ratio