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Table 2 Baseline data

From: Risk stratification in emergency patients by copeptin

Baseline variables

Copeptin

Copeptin

P-value

≤11.3 pmol/L

>11.3 pmol/L

(number= 693)

(number = 627)

Demographics

   

Age, years, mean (95% CI)

66.3 (65.1-67.2)

75.3 (74.3-76.3)

<0.01

Male gender, number (%)

264 (38)

272 (43)

0.05

Vital signs

   

Systolic blood pressure, mmHg, mean (95% CI)

150 (148-153)

147 (144-149)

0.01

Diastolic blood pressure, mmHg, mean (95% CI)

86 (84-87)

81 (80-83)

<0.01

Heart rate, b/min, mean (95% CI)

86 (84-97)

87 (86-89)

<0.01

Medical history

   

Heart failure, number (%)

58 (8)

102 (16)

<0.01

Ischemic heart disease, umber (%)

136 (20)

145 (23)

0.11

Previous myocardial infarction, number (%)

63 (9)

69 (11)

0.20

Hypertension, number (%)

183 (27)

166 (27)

0.92

Lung disease, number (%)

144 (21)

111 (18)

0.18

Liver disease, number (%)

20 (3)

19 (3)

0.86

Diabetes, number (%)

65 (9)

76 (12)

0.12

NYHA III-IV, n (%)

32 (5)

72 (11)

<0.01

Laboratory examinations

   

Sodium mmol/L, mean (95% CI)

137 (137-137)

137 (136-137)

0.06

Potassium, mmol/L, mean (95% CI)

4.0 (3.9-4.0)

4.0 (3.9-4.0)

0.61

Hemoglobin, mmol/L, mean (95% CI)

8.4 (8.3-8.4)

7.9 (7.8-8.0)

0.01

C-reactive protein, mg/L, mean (95% CI)

656 (532-780)

839 (721-956)

0.05

e-GFR, ml/min, mean (95% CI)

92 (90-95)

74 (72-77)

0.01

NT proBNP, pmol/L, mean (95% CI)

147 (125-164)

499 (426-572)

0.01

Ejection fraction, %, mean (95% CI)

60.3 (59.5-61.0)

57.0 (56.0-57.9)

0.01

  1. b/min, beats per minute; CI, confidence interval; eGFR, estimated glomerular filtration rate; NT proBNP, N-terminal pro-brain natriuretic peptide; NYHA, New York Heart Association.