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Table 3 Biological and diagnostic testsa

From: Management of suspected acute heart failure dyspnea in the emergency department: results from the French prospective multicenter DeFSSICA survey

 

HF (n = 537)

Not HF (n = 158)

P

Biological analysis

 Performed

537 (100)

158 (100)

1

 Sodium, mmol/L

138 (135–141)

138 (136–140)

.69

 Potassium, mmol/L

4.3 (4.0–4.7)

4.2 (3.9–4.7)

.092

 Creatinine clearance, mL/min

50 (35–69)

65 (42–92)

<.0001

 Creatinine clearance <30 mL/min

89 (17)

19 (14)

.39

 Hemoglobin, g/dL

12.4 (11.0–13.5)

13.2 (11.5–14.3)

.15

 Hemoglobin <10 g/dL

56 (11)

14 (8.9)

.70

 Troponin positive

282 (66)

56 (46)

.00010

 BNP,b ng/L

973 (502–2414)

338 (129–654)

<.0001

 Pro-BNP,c ng/L

4025 (1729–8863)

1281 (283–4818)

<.0001

ECG

 Performed

530 (99)

151 (96)

.018

 Sinusal

231 (44)

84 (56)

.012

 Atrial fibrillation

226 (43)

41 (27)

.00073

 Driven

48 (8.9)

15 (9.5)

.87

 AVB

23 (4.3)

12 (7.6)

.12

 LBBB

91 (17)

12 (7.6)

.0076

 RBBB

62 (12)

20 (13)

.71

 Repolarization disorder

107 (20)

32 (21)

.88

Chest X-ray

 Performed

511 (95)

129 (88)

.0023

  Abnormal

481 (95)

98 (71)

<.0001

  Cardiomegaly

252 (52)

51 (52)

.96

  Interstitial opacities

300 (62)

46 (47)

.0047

  Alveolar opacities

117 (24)

36 (37)

.019

Echography

 Performed

85 (16)

18 (11)

.20

  By cardiologist

48 (56)

13 (65)

.33

   Satisfactoryd

24 (60)

10 (91)

 

   Intermediated

14 (35)

1 (9.1)

 

   Weakd

2 (5.0)

0 (0)

 

  By emergency physician

37 (44)

5 (35)

.33

   Satisfactoryd

6 (17)

2 (50)

 

   Intermediated

20 (57)

2 (50)

 

   Weakd

9 (26)

0 (0)

 

 LVEFe

  

.93

   > 50 %

32 (41)

6 (43)

 

  35–50 %

27 (34)

4 (29)

 

   < 35 %

21 (26)

4 (29)

 

  Dilated RV, n (%)

19 (32)

4 (36)

.94

  VC diameter, mm

20 (15–22)

15 (10–20)

.38

  1. AVB atrioventricular block, BNP brain natriuretic peptide, ECG electrocardiogram, HF heart failure, IQR interquartile range, IVC inferior vena cava, LBBB left bundle branch block, LVEF left ventricular ejection fraction, RBBB right bundle branch block, RV right ventricle, US ultrasound
  2. aData are presented as n (%) or median (IQR) and are among patients who underwent the relevant test and had non-missing data
  3. bBNP was measured in 170 HF and 49 not HF patients
  4. cPro-BNP was measured in 329 HF and 74 not HF patients
  5. dSelf evaluation
  6. eLVEF was measured in 80 HF and 14 not HF patients