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. 2018 Nov;6(21):417. doi: 10.21037/atm.2018.10.19

Table 1. Characteristics of study patients at ICU admission.

Variables Survivors (n=63) Nonsurvivors (n=30) P value
Age, years 58 [40, 67] 62 [52, 71] 0.046
Male gender 35 [56] 22 [73] 0.100
SAPS II 57 [48, 71] 49 [42, 74] 0.399
SOFA score 8 [5, 10] 8 [5, 11] 0.843
   Respiratory system 2 [2, 3] 3 [2, 4] 0.045
   Nervous system 2 [1, 4] 3 [1, 3] 0.770
   Cardiovascular system 0 [1, 4] 0 [0, 4] 0.970
   Liver 0 [0, 0] 0 [0, 1] 0.093
   Coagulation 0 [0, 0] 0 [0, 1] 0.340
   Kidneys 0 [0, 2] 0 [0, 3] 0.940
Comorbidities
   Diabetes 16 [25] 9 [30] 0.640
   COPD 7 [11] 8 [27] 0.057
   Cardiac failure 6 [10] 5 [17] 0.319
   Cirrhosis 4 [6] 4 [13] 0.261
   Chronic kidney failure 5 [8] 2 [7] 0.828
   Immunodeficiency 17 [27] 10 [33] 0.528
Location before ICU admission 0.549
   Home 26 [41] 9 [30]
   Other wards 25 [40] 15 [50]
   Other ICUs 12 [19] 6 [20]
Cause for ICU admission
   Acute exacerbation of COPD 4 [6] 2 [7] 0.954
   Respiratory acute failure 11 [17] 4 [13] 0.767
   Community-acquired pneumonia 9 [14] 6 [20] 0.484
   Nosocomial pneumonia 11 [17] 6 [20] 0.767
   ARDS 7 [11] 1 [3] 0.430
   Cardiac arrest 5 [8] 2 [7] 0.828
   Neurologic failure 20 [32] 5 [17] 0.142
   Poisoning 5 [8] 0 [0] 0.171
   Septic shock 14 [22] 8 [27] 0.637
   Cellulitis 3 [5] 3 [10] 0.383
Prior antimicrobial treatment 56 [89] 27 [90] 0.872
Percentage of time spent with hyperoxemia, mean ± SD 44±21 48±23 0.590
Results of blood gases
   PaO2, mmHg 116 [85, 173] 112 [80, 172] 0.493
   PaO2 >120 mmHg 31 [49] 13 [43] 0.551
   PaO2/FiO2 192 [133, 287] 171 [118, 252] 0.410

Data are presented as n [%] or median [interquartile range], unless otherwise indicated. SAPS, simplified acute physiology score; SOFA, sequential organ failure assessment; COPD, chronic obstructive pulmonary disease; ICU, intensive care unit; ARDS, acute respiratory distress syndrome; PaO2, partial pressure of arterial oxygen; FiO2, fraction of inspired O2.

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