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Table 1 Baseline characteristics and comparisons between study groups

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

  Total (n = 132) Gait independence (n = 84) Gait dependence (n = 48) p value
Age (years) 69 [60–78] 67 [54–75] 76 [67–82] < .0001
Male sex (%) 84 (63.6) 56 (66.7) 28 (58.3) 0.340
Weight (kg) 57 [50–70] 58 [51–69] 57 [49–73] 0.406
Body mass index (kg/m2) 22 [20–26] 23 [20–26] 21.7 [19–27] 0.609
Charlson’s Comorbidity Index 2 [1–3] 2 [1–3] 1 [1–3] 0.612
Main cause of ICU admission (%)
 Respiratory (including pneumonia) 25 (18.9) 15 (17.8) 10 (21.3) 0.457
 Cardiovascular 23 (17.4) 15 (17.8) 8 (16.6)  
 Gastrointestinal 20 (15.2) 13 (15.5) 7 (14.5)  
 Trauma 18 (13.6) 10 (11.9) 8 (16.6)  
 Sepsis, nonpulmonary 17 (12.9) 12 (14.3) 5 (10.3)  
 Other 29 (22.0) 19 (22.7) 10 (20.7)  
APACHE II score 24 [20–29] 23 [18–27] 24 [20–30] 0.129
SOFA score at ICU admission 9 [7–11] 9 [7–11] 9 [8–12] 0.217
  1. Median [25th–75th percentile] or the number of patients (percentage). Independent-sample Mann-Whitney U test or χ2 test. APACHE II Acute Physiology and Chronic Health Evaluation, SOFA Sequential Organ Failure Assessment