From:  Diagnostic performance of artificial intelligence in the syncope unit

 Patient characteristics.

VariableMean (SD)Median (Q1, Q3)Min–Maxn (%)
Demographics and anthropometrics
Age (years)61 (17)63 (50, 75)21–87
Female sex30 (54.5)
Height (cm)173 (9)172 (167, 180)155–193
Weight (kg)77 (13)75 (66, 87)54–105
Body mass index (kg/m2)26 (3.7)25 (23, 28)18–36
Syncope characteristics
Syncopal episodes in previous 12 months2.11 (2.71)10–20
Self-reported duration of loss of consciousness 0–5 min48 (87.3)
Self-reported duration of loss of consciousness > 5 min6 (10.9)
Recovery time after syncope (min)8.09 (25.20)00–180
Immediately reoriented after syncope46 (83.6)
Prodromal symptoms present30/54 (55.6)
Prodrome duration (s)41.09 (116.23)20–720
Previous diagnostic evaluation by general
Number of diagnostic tests performed before evaluation syncope-expert1.93 (1.37)20–7
Fluid intake
Daily fluid intake (mL)1,636 (476)1,750500–2,500
Fluid intake assessed1 (1.8)
Lifestyle
Non-smoker31 (56.4)
Ex-smoker14 (25.5)
Current smoker10 (18.2)
Alcohol intake24 (43.6)
Substance use1 (1.8)
Medical history
Cardiac genetic predisposition29 (52.7)
Hypertension16 (29.1)
Family members deceased before age 55 years6 (10.9)
Diabetes mellitus6 (10.9)
Coronary artery disease5 (9.1)
Hypercholesterolaemia4 (7.3)
Cerebrovascular accident4 (7.3)
Pulmonary embolism3 (5.5)
Heart valve disease1 (1.8)
Congenital heart disease0 (0.0)
Parkinson’s disease0 (0.0)
Epilepsy0 (0.0)
Deep vein thrombosis0 (0.0)
Medication use
Any medication use37 (67.3)
Number of medications per patient2.98 (3.26)20–14
Antihypertensive, heart-rate-lowering or antianginal medication18 (32.7)
Gastrointestinal medication and laxatives15 (27.3)
Endocrine, bone and vitamin supplementation13 (23.6)
Antithrombotic medication13 (23.6)
CNS-active medication12 (21.8)
Lipid-lowering medication12 (21.8)
Allergy, ENT or ophthalmic medication5 (9.1)
Hormonal contraception5 (9.1)
Diabetes medication4 (7.3)
Respiratory medication4 (7.3)
Analgesic or anti-inflammatory medication4 (7.3)
Rheumatologic, immunosuppressive or gout medication4 (7.3)
Urogenital medication2 (3.6)
Smoking cessation medication2 (3.6)
Anti-infective medication1 (1.8)

Fifty-five patients analyzed in the syncope unit by the syncope-expert.