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Table 1 Characteristics of ICU survivors two years after discharge

From: Factors influencing physical functional status in intensive care unit survivors two years after discharge

ICU admission data Planned surgical admission (n = 199) Medical and unplanned surgical admission (n = 300) p
Age, years 58.5 ± 18.5 62.4 ± 17.0 0.01
Male gender 108 (54.3) 149 (49.7) ns
Number of pre-existing disorders    
≤ 2 176 (88.5) 244 (81.3) ns
> 2 23 (11.5) 56 (18.7) ns
BMIa    
< 25 Kg/m2 81 (40.7) 121 (40.3) ns
≥ 25 Kg/m2 118 (59.3) 179 (59.7) ns
Reason for ICU-admission    ns
Planned surgery 199 --  
Heart -- 113 (37.7)  
Neurological -- 59 (19.7)  
Respiratory -- 60 (20.0)  
Trauma -- 18 (6.0)  
Other -- 50 (16.6)  
Days on MV    <0.001
Did not receive MV 121 (60.8) 222 (74.0)  
1 day 18 (9.1) 59 (19.7)  
2 to 7 days 31 (15.6) 10 (3.3)  
≥ 8 days 29 (14.5) 9 (3.0)  
ICU stay (days) 5 [3:8] 6 [3:11]  
Severity scores    
APACHE II at 1st ICU day 10.2 ± 5.4 14.2 ± 8.2 <0.001
SOFA at 1st ICU day 0 [0:1] ns
TISS at 1st ICU day 18 ± 6.5 17.6 ± 6.8 0.06
TISS at 3rd ICU day 20.4 ± 6.4 17.4 ± 6.8 0.02
TISS discharge 11.5 ± 3.7 10.5 ± 4.7 0.01
Evaluation of functional status at ICU admission    
Karnofsky scale (K-ICU) 87.8 ± 10.5 86.6 ± 13.8 ns
Lawton scale (L-ICU) 28.8 ± 6.9 27.3 ± 8.6 ns
Evaluation of functional status after 24 mo    
Karnofsky scale (K-24mo) 86.0 ± 13.6 77.1 ± 19.6 <0.001
Lawton scale (L-24mo) 27.0 ± 11.7 22.5 ± 11.5 <0.001
  1. Data are number (%), mean ± standard deviation or median [P25:P75].
  2. APACHE II Acute Physiologic and Chronic Health Evaluation, BMI Body mass index, ICU Intensive Care Unit, LOS Length Of Stay, MV Mechanical Ventilation, SOFA Sequential Organ Failure Assessment, TISS Therapeutic Intervention Scoring System.