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Table 1 Baseline and ICU admission characteristics for patients surviving to ICU discharge

From: Impact of ICU-acquired weakness on post-ICU physical functioning: a follow-up study

  ICU-AW No ICU-AW P value
(N = 60) (N = 73)
Patient characteristics    
Age, mean ± SD 65 ± 16 59 ± 14 0.03
Female, n (%) 27 (45) 30 (41) 0.78
BMI (kg/m2), mean ± SD 26.8 ± 5.1 26.9 ± 5.2 0.86
BMI >30, n (%) 14 (23) 16 (22) 1.00
Pre-existing neuromuscular disorder, n (%) 3 (5) 1 (1) 0.33
Charlson co-morbidity index, median (IQR) 0 (0-1) 0 (0-2) 0.05
ICU admission characteristics    
Admission type    
  Medical, n (%) 34 (63) 41 (57) 0.99
  Surgical elective, n (%) 15 (21) 18 (24)
  Surgical emergency, n (%) 11 (16) 14 (19)
APACHE IV score, mean ± SD (2 missing) 81 ± 23 73 ± 28 0.10
CNS disorder as reason of admission, n (%) 1 (2) 0 (0) 0.45
Maximal SOFA score during admission, mean ± SD 12 ± 3 9 ± 4 <0.01
Sepsis during admission, n (%) 56 (93) 57 (78) 0.03
Severe sepsis during admission, n (%) 49 (82) 42 (58) 0.01
Septic shock during admission, n (%) 35 (58) 26 (36) 0.01
Renal replacement therapy during admission, n (%) 23 (38) 19 (26) 0.18
ARDS during admission, n (%) 28 (47) 32 (44) 0.88
Days with mechanical ventilation, median (IQR) 11 (6-17) 5 (4-7) <0.01
Length of stay in ICU (days), median (IQR) 14 (9-20) 7 (5-10) <0.01
Average MRC score, median (IQR) 2.8 (1.8-3.5) 4.7 (4-5) n.a.
Post-ICU admission characteristics    
Days free from hospital and alive at 3 months after ICU discharge, median (IQR) 57 (15-71) 75 (56-82) <0.01
Discharge destination from index hospital if discharged alive    
  Other hospital, n/total n (%) 22/53 (41) 14/71 (20) 0.01*
  Rehabilitation facility, n/total n (%) 14/53 (27) 4/71 (6)
  Home, n/total n (%) 17/53 (32) 53/71 (76)
  1. APACHE IV, Acute Physiology and Chronic Health Evaluation IV; ARDS, Acute Respiratory Distress Syndrome; BMI, body mass index; CNS, central nervous system; ICU-AW, ICU-acquired weakness; IQR, interquartile range; MRC, muscle strength as assessed with Medical Research Council scale; SD, standard deviation; SOFA, Sequential Organ Failure Assessment score; n.a., not applicable; *, overall test for differences between groups.