Observational Study
Copyright ©The Author(s) 2021.
World J Cardiol. Dec 26, 2021; 13(12): 745-757
Published online Dec 26, 2021. doi: 10.4330/wjc.v13.i12.745
Table 1 Patient characteristics

Non-cardiac chest pain
ETT
ECG
Angina
Review
Lost to follow-up
Previous cardiac problems
Stress Echo (negative)
Stress Echo (positive)
Echo (negative)
Echo (pos)
CCTA (negative)
CCTA (positive)
Angiogram (negative)
Angiogram (positive)
ACS
Age (yr)57 (23-88)54 (36-66)66 (62-69)73 (66-79)66 (43-84)64 (41-84)71 (67-87)63 (49-82)6867 (43-84)72 (55-83)53 (34-63)62 (51-77)59 (50-65)58 (46-81)69 (62-86)
Sex (M/F)15/1511/20/21/55/24/143/44/91/010/95/14/85/53/312/52/3
BMI (> 25 kg/m2) (n)9412480214045162
Diabetes (n)2401210202221043
Hyperlipidmia (n)1181246461115572113
Hypertension (n)1072447371135483112
Family History of CAD (n)65103703052863100
Smoker (n)115045916010439180
Past History MI/stent/CABG (n)2000001000000100
Aspirin (n)7202163404245262
Statin (n)53021353174120101
ISMN/Nitroglycerin (n)9115364717345382
Anti-hypertensive (n)77123254184211142
Creatinine (µmol/L) (n)83 (52-122)79 (54-100)77 (71-82)83 (70-103)82 (51-98)75 (47-109)71 (36-95)72 (56-88)8478 (52-102)83 (63-103)71 (52-88)72 (52-99)78 (56-98)81 (46-134)76 (65-86)
QRISK3%2-> 8812 (7-40)9 (5-13)22 (6-34)22-4119 (2-58)NA13 (3-36)321 to > 4012 to 459.4 (1-35)22 (6-37)8 (2-16)8 to > 40
n301326718713119612106175