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Table 3 Clinical and laboratory characteristics at admission to the medical intensive care units in the overall population, nonsurvivors and survivors

From: Admission of advanced lung cancer patients to intensive care unit: A retrospective study of 76 patients

  All patients n = 76 MICU survivors n = 40 MICU nonsurvivors n = 36 P value
SAPS II 43 ± 16.5 40 ± 13 46 ± 19 0.14
Apache II 22 ± 7.7 21 ± 6.8 23.5 ± 8.5 0.11
Blood cell count (/mm3) 11616 ± 8688 12899 ± 9250 10226 ± 7931 0.18
Hemoglobin (g/dL) 10.7 ± 2.2 10.5 ± 2.3 10.9 ± 2.2 0.4
Platelet count (x1000/mm 3 ) 240 ± 236 304 ± 294 173 ± 126 0.016
Platelet count ≤ 100 000/mm 3, n (%) 19 (25.7) 4 (10.5) 15 (41.7) 0.002
Calcium (mmol/L), 2.1 ± 0.1 2.11 ± 0.19 2.08 ± 0.24 0.54
Albumin (g/L) 25 ± 6.4 27 ± 6 23 ± 6 0.14
Albumin ≤ 25 g/L, n (%) 16 (51.6) 4 (30.8) 12 (66.7) 0.05
PaO 2 /FiO 2 177 ± 102 201 ± 104 149 ± 93 0.05
Number of organ failures 2 ± 1.2 1.7 ± 1 2.3 ± 1.3 0.036
Acute respiratory failure, n (%) 66 (86.8) 30 (75) 36 (100) 0.001
   Mechanical ventilation, n (%) 56 (73.7) 23 (57.5) 33 (91.7) 0.001
   NIV, n (%) 17 (22.4) 6 (15) 11 (30.6) 0.089
   Invasive ventilation, n (%) 50 (65.8) 19 (47.5) 31 (86.1) <0.0001
Time on mechanical ventilation (days) 9,8 ± 14 12 ± 17 8,5 ± 12,4 0.41
Need for vasoactive agents, n (%) 25 (32.9) 5 (12.5) 20 (55.6) <0.0001
Acute renal failure, n (%) 26 (34.6) 11 (27.5) 15 (41.7) 0.14
   hemodialysis, n (%) 7 (9.2) 2 (5) 5 (13.9) 0.17
Neurological failure, n (%) 16 (21.1) 8 (20) 8 (22.2) 0.52
Chemotherapy in the ICU, n (%) 4 (5.5) 1 (2.7) 3 (8.3) 0.29
Corticosteroids in the ICU, n (%) 7 (9.3) 5 (12.5) 2 (5.7) 0.27
  1. MICU: Medical Intensive Care Unit; SAPS II Simplified Acute Physiology Score; Apache II Acute Physiology and Chronic Health Evaluation; NIV: Non invasive ventilation.
  2. Percentages are relative to the total number of patients (n = 76 for the overall population, n = 36 for the MICU nonsurvivors, and n = 40 for the MICU survivors) unless otherwise specified. Quantitative data are expressed as mean ± standard deviation