Clinical Study

Copeptin: Limited Usefulness in Early Stroke Differentiation?

Table 1

Patients’ characteristics.

VariablesAll study patients ()Patients with stroke ()Patients with mimics ()Patients with TIA ()

Female % 445042.922

Age median (IQR)71 (54/76)68 (51/76)59 (53/83)71 (57/82)

Medical history:

Previous stroke in % () (unknown = 1)33 (12)40 (8)28 (2)22 (2)

Previous TIA in % ()6 (2)014 (1)11 (1)

Copeptin in pmol/L Median (25%/75%)13.8 (9.1/48.5)19.1 (11.2/48.5)33.31 (7.57/255.7)9.4 (5.4/13.8)

tPA administered in % ()42 (15)70 (14)011 (1)

Stroke severity, median NIHSS score (25%/75%)4 (2/9)7 (3/11)6 (1/9)2 (1/3)

Length of inpatient stay in days Median (25%/75%)8 (4/10)9 (4/12)6 (5/8)6 (4/8)

TOAST score in % ()
 Large artery atherosclerosis
 Cardioembolism
 Small vessel occlusion
 Other determined aetiology
 Undetermined aetiology
 Unknown

36.1 (13)
16.7 (6)
16.7 (6)

2.8 (1)
27.8 (10)

55 (11)
15 (3)
15 (3)


15 (3)







22.2 (2)
33.3 (3)
22.2 (2)


22.2 (2)

Risk factors in % ()
 Hypertension
 Diabetes mellitus
 Hypercholesterolemia
 Neurologic disorders
 Coronary heart disease

83 (30)
33 (12)
19 (7)
22 (8)
11 (4)

80 (16)
35 (7)
20 (4)
15 (3)
20 (4)

86 (6)
29 (2)
14 (1)
43 (3)
0

67 (6)
33 (3)
22 (2)
22 (2)
0

Mortality within 1 year % () (unknown = 3)11 (4)19 (4)00