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Table 3 Findings of laboratory and clinical examinations*

From: Diagnostic utility of C-reactive Protein combined with brain natriuretic peptide in acute pulmonary edema: a cross sectional study

  ALI/ARDS (n= 53) CPE (n= 71) Mixed (n= 23) p value for ALI/ARDS vs CPE
Laboratory findings     
   WBC count, ×1000/μL 10.4 (7.3-12.8) 9.6 (7.2-13.4) 9.8 (5.9-11.2) 0.587
   CRP, mg/L 119 (62-165) 8 (2-42) 100 (36-184) < 0.001
   BNP, pg/mL 202 (95-439) 691 (416-1194) 403 (221-1048) < 0.001
   GFR, mL/min 60.8 (28.6-92.9) 46.0 (35.9-58.4) 56.2 (29.7-86.9) 0.056
   PaO2/FiO2 100 (68-147) 111 (82-156) 166 (9-220) 0.322
   Mechanical ventilation 34 (64) 35 (49) 9 (39) 0.100
   APACHE II score 17 (16-19) 17 (16-18) 17 (16-18) 0.245
   Positive culture results 28 (53) 0 (0) 0 (0) --
Chest radiography     
   number of patients examined 53 (100) 71 (100) 23 (100) --
   infiltrates on two quadrants 24 (45) 38 (54) 18 (78) 0.468
   infiltrates on four quadrants 28 (53) 33 (46) 6 (26) 0.604
   pleural effusion 43 (81) 66 (93) 19 (83) 0.043
   cardiomegaly 25 (47) 39 (55) 13 (57) 0.500
Echocardiography     
   number of patients examined 50 (94) 71 (100) 20 (87) --
   LVEF, % 60 (56-66) 57 (45-69) 49 (39-65) 0.052
   mitral regurgitation ≥grade 2 15/50 (30) 31/71 (44) 7/23 (30) 0.182
   right ventricular dilation 13/50 (26) 29/71 (41) 8 (35) 0.135
Hemodynamics     
   number of patients examined 6 (11) 4 (6) 3 (10) 0.206
   PCWP, mmHg 10 (9-13) 32 (28-37) 32 (26-34) 0.096
  1. *Data are expressed as the number (%) or median (interquartile range).
  2. ALI: acute lung injury; APACHE: acute physiology and chronic health evaluation; ARDS: acute respiratory distress syndrome; BNP: brain natriuretic peptide; CRP: C-reactive protein; CPE: cardiogenic pulmonary edema; GFR: glomerular filtration rate; LVEF: left ventricular ejection fraction; PCWP: pulmonary capillary wedge pressure