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Table 1 Characteristics and risk factors in 178 consecutive patients with unexplained syncope, mean ± SD or n (%)

From: Procoagulatory changes induced by head-up tilt test in patients with syncope: observational study

  All patients Men Women p-value
  n = 178 n = 81 (46) n = 97 (54)  
Patient characteristics
 Age (years) 50.9 ± 20.9 56.0 ± 18.7 46.6 ± 21.8 0.003
 BMI (kg/ m2) 25.6 ± 4.6 26.0 ± 3.6 25.3 ± 5.3 0.34
 Systolic BP (mmHg) 131 ± 18.7 131 ± 17.1 132 ± 20.0 0.78
 Diastolic BP (mmHg) 71 ± 8.0 71 ± 8.8 70 ± 7.6 0.44
 Heart rate (bpm) 67.7 ± 11.7 65.4 ± 12.7 69.6 ± 10.6 0.016
Risk factors (%)
 Hypertension 28.8 35.0 23.7 0.10
 Diabetes mellitus 6.7 8.6 5.2 0.36
 History of MACEa 3.9 7.4 1.0 0.029
 History of stroke 1.7 2.5 1.0 0.46
 Present tobacco use 15.7 16.0 15.5 0.92
  1. BMI, body mass index; BP, blood pressure; MACEa (=major coronary event) was defined as history of myocardial infarction, unstable angina, CABG, or PCI