Skip to main content

Table 1 Baseline characteristics of the derivation and validation cohorts

From: Identification of acute myocardial infarction in patients with atrial fibrillation and chest pain with a contemporary sensitive troponin I assay

 

Derivation Cohort

Validation Cohort

n=90

n=314

 

n

Value

n

Value

Nr. of patients (n)

 

90

 

314

Male gender n (%)

90

62 (69)

314

203 (65)

Age, mean (SD), years

 

72 (11)

 

66 (11)

Cardiovascular risk factors

    

Hypertension, n (%)

89

69 (78)

314

255 (81)

Dyslipidemia, n (%)

89

31 (35)

314

232 (74)

Diabetes mellitus, n (%)

89

23 (26)

314

64 (20)

Active smoker, n (%)

89

17 (19)

314

53 (17)

Obesity, n (%)

87

21 (24)

291

82 (28)

Family history, n (%)

89

6 (7)

314

95 (30)

Laboratory parameters on admission

    

Troponin I, median (IQR), ng/mL

90

0.95 (0.03, 2.9)

311

0.01 (0.01, 0.03)

Troponin I > 99th percentile, n (%)

90

67 (74)

311

74 (24)

eGFRMDRD, mean (SD), ml/min

86

73 (25)

314

77 (22)

Clinical variables

    

Systolic Blood Pressure, mean (SD), mmHg

86

133 (31)

310

144 (24)

Heart rate, mean (SD), bpm

89

84 (32)

310

77 (19)

Chest pain onset time, median (IQR), h

 

8.6 (2.9 15.5)

 

4.3 (2.0, 13.2)

Final diagnosis AMI type 1, n (%)

90

75 (83)

314

63 (20)

  1. Data presented as number with percentage, mean with standard deviation (SD), or median with interquartile range (IQR) as appropriate. Obesity is defined as body mass index above 30 kg/m2. eGFRMDRD denotes estimated glomerular filtration rate using the abbreviated modification of diet in renal disease formula