Table 1.

Baseline characteristics

1 h group (n = 407)2 h group (n = 394)
Baseline characteristics
 Age, years72.0 (58.0–82.0)72.0 (57.3–81.8)
 Female179 (44.0)175 (44.4)
 Chest pain357 (87.7)345 (87.6)
 Time from symptom onset, h1.5 (1.0–3.0)1.5 (1.0–3.0)
Risk factors
 Hypertension284 (69.8)275 (69.8)
 Hyperlipidemia215 (52.8)209 (53.0)
 Diabetes mellitus110 (27.0)105 (26.6)
 Family history of premature CADa77 (19.0)73 (18.6)
 Current smokinga73 (18.0)71 (18.1)
 Previous MIa41 (10.1)38 (9.7)
 Previous VSA43 (10.6)43 (10.9)
 Previous PCI78 (19.2)75 (19.0)
Medical history risk
 Highly suspicious116 (28.5)113 (28.7)
 Moderately suspicious215 (52.8)207 (52.5)
 Slightly suspicious76 (18.7)74 (18.8)
ECG findings
 New ST depression25 (6.1)23 (5.8)
 New T-wave inversion22 (5.4)20 (5.1)
Physiological parameters
 Systolic BP, mmHg143 (126–162)143 (127–163)
 Diastolic BP, mmHg83 (75–94)84 (75–94)
 Heart rate, bpm75 (67–86)75 (67–85)
 Creatinine clearanceb,c63.2 (43.5–93.4)63.1 (43.5–93.5)
Hs-cTnI concentration at presentation, ng/l
 Type 1 MI62.0 (16.0–432.0)62.0 (16.0–432.0)
 Type 2 MI32.0 (13.8–47.8)32.0 (13.8–47.8)
 MI due to coronary vasospasm17.0 (8.0–40.0)17.0 (8.0–40.0)
 no MI4.0 (2.0–8.5)4.0 (2.0–8.5)
Risk scores
 ADAPT1 (1–3)1 (1–3)
 EDACS19 (14–22)19 (14–22)
 GRACE91 (63–108)95 (69–115)
 HEART4 (3–5)4 (3–5)
1 h group (n = 407)2 h group (n = 394)
Baseline characteristics
 Age, years72.0 (58.0–82.0)72.0 (57.3–81.8)
 Female179 (44.0)175 (44.4)
 Chest pain357 (87.7)345 (87.6)
 Time from symptom onset, h1.5 (1.0–3.0)1.5 (1.0–3.0)
Risk factors
 Hypertension284 (69.8)275 (69.8)
 Hyperlipidemia215 (52.8)209 (53.0)
 Diabetes mellitus110 (27.0)105 (26.6)
 Family history of premature CADa77 (19.0)73 (18.6)
 Current smokinga73 (18.0)71 (18.1)
 Previous MIa41 (10.1)38 (9.7)
 Previous VSA43 (10.6)43 (10.9)
 Previous PCI78 (19.2)75 (19.0)
Medical history risk
 Highly suspicious116 (28.5)113 (28.7)
 Moderately suspicious215 (52.8)207 (52.5)
 Slightly suspicious76 (18.7)74 (18.8)
ECG findings
 New ST depression25 (6.1)23 (5.8)
 New T-wave inversion22 (5.4)20 (5.1)
Physiological parameters
 Systolic BP, mmHg143 (126–162)143 (127–163)
 Diastolic BP, mmHg83 (75–94)84 (75–94)
 Heart rate, bpm75 (67–86)75 (67–85)
 Creatinine clearanceb,c63.2 (43.5–93.4)63.1 (43.5–93.5)
Hs-cTnI concentration at presentation, ng/l
 Type 1 MI62.0 (16.0–432.0)62.0 (16.0–432.0)
 Type 2 MI32.0 (13.8–47.8)32.0 (13.8–47.8)
 MI due to coronary vasospasm17.0 (8.0–40.0)17.0 (8.0–40.0)
 no MI4.0 (2.0–8.5)4.0 (2.0–8.5)
Risk scores
 ADAPT1 (1–3)1 (1–3)
 EDACS19 (14–22)19 (14–22)
 GRACE91 (63–108)95 (69–115)
 HEART4 (3–5)4 (3–5)

Values are median (interquartile range) or n (%).

a

Data missing in one patient.

b

ml/min/1.73 m2.

c

Data missing in two patients.

BP, blood pressure; CABG, coronary artery bypass grafting; CAD, coronary artery disease; MI, myocardial infarction; PCI, percutaneous coronary intervention; VSA, vasospastic angina.

Table 1.

Baseline characteristics

1 h group (n = 407)2 h group (n = 394)
Baseline characteristics
 Age, years72.0 (58.0–82.0)72.0 (57.3–81.8)
 Female179 (44.0)175 (44.4)
 Chest pain357 (87.7)345 (87.6)
 Time from symptom onset, h1.5 (1.0–3.0)1.5 (1.0–3.0)
Risk factors
 Hypertension284 (69.8)275 (69.8)
 Hyperlipidemia215 (52.8)209 (53.0)
 Diabetes mellitus110 (27.0)105 (26.6)
 Family history of premature CADa77 (19.0)73 (18.6)
 Current smokinga73 (18.0)71 (18.1)
 Previous MIa41 (10.1)38 (9.7)
 Previous VSA43 (10.6)43 (10.9)
 Previous PCI78 (19.2)75 (19.0)
Medical history risk
 Highly suspicious116 (28.5)113 (28.7)
 Moderately suspicious215 (52.8)207 (52.5)
 Slightly suspicious76 (18.7)74 (18.8)
ECG findings
 New ST depression25 (6.1)23 (5.8)
 New T-wave inversion22 (5.4)20 (5.1)
Physiological parameters
 Systolic BP, mmHg143 (126–162)143 (127–163)
 Diastolic BP, mmHg83 (75–94)84 (75–94)
 Heart rate, bpm75 (67–86)75 (67–85)
 Creatinine clearanceb,c63.2 (43.5–93.4)63.1 (43.5–93.5)
Hs-cTnI concentration at presentation, ng/l
 Type 1 MI62.0 (16.0–432.0)62.0 (16.0–432.0)
 Type 2 MI32.0 (13.8–47.8)32.0 (13.8–47.8)
 MI due to coronary vasospasm17.0 (8.0–40.0)17.0 (8.0–40.0)
 no MI4.0 (2.0–8.5)4.0 (2.0–8.5)
Risk scores
 ADAPT1 (1–3)1 (1–3)
 EDACS19 (14–22)19 (14–22)
 GRACE91 (63–108)95 (69–115)
 HEART4 (3–5)4 (3–5)
1 h group (n = 407)2 h group (n = 394)
Baseline characteristics
 Age, years72.0 (58.0–82.0)72.0 (57.3–81.8)
 Female179 (44.0)175 (44.4)
 Chest pain357 (87.7)345 (87.6)
 Time from symptom onset, h1.5 (1.0–3.0)1.5 (1.0–3.0)
Risk factors
 Hypertension284 (69.8)275 (69.8)
 Hyperlipidemia215 (52.8)209 (53.0)
 Diabetes mellitus110 (27.0)105 (26.6)
 Family history of premature CADa77 (19.0)73 (18.6)
 Current smokinga73 (18.0)71 (18.1)
 Previous MIa41 (10.1)38 (9.7)
 Previous VSA43 (10.6)43 (10.9)
 Previous PCI78 (19.2)75 (19.0)
Medical history risk
 Highly suspicious116 (28.5)113 (28.7)
 Moderately suspicious215 (52.8)207 (52.5)
 Slightly suspicious76 (18.7)74 (18.8)
ECG findings
 New ST depression25 (6.1)23 (5.8)
 New T-wave inversion22 (5.4)20 (5.1)
Physiological parameters
 Systolic BP, mmHg143 (126–162)143 (127–163)
 Diastolic BP, mmHg83 (75–94)84 (75–94)
 Heart rate, bpm75 (67–86)75 (67–85)
 Creatinine clearanceb,c63.2 (43.5–93.4)63.1 (43.5–93.5)
Hs-cTnI concentration at presentation, ng/l
 Type 1 MI62.0 (16.0–432.0)62.0 (16.0–432.0)
 Type 2 MI32.0 (13.8–47.8)32.0 (13.8–47.8)
 MI due to coronary vasospasm17.0 (8.0–40.0)17.0 (8.0–40.0)
 no MI4.0 (2.0–8.5)4.0 (2.0–8.5)
Risk scores
 ADAPT1 (1–3)1 (1–3)
 EDACS19 (14–22)19 (14–22)
 GRACE91 (63–108)95 (69–115)
 HEART4 (3–5)4 (3–5)

Values are median (interquartile range) or n (%).

a

Data missing in one patient.

b

ml/min/1.73 m2.

c

Data missing in two patients.

BP, blood pressure; CABG, coronary artery bypass grafting; CAD, coronary artery disease; MI, myocardial infarction; PCI, percutaneous coronary intervention; VSA, vasospastic angina.

Close
This Feature Is Available To Subscribers Only

Sign In or Create an Account

Close

This PDF is available to Subscribers Only

View Article Abstract & Purchase Options

For full access to this pdf, sign in to an existing account, or purchase an annual subscription.

Close