TABLE 2

Symptoms and outcome

ControlCOPDp-value
Subjects n302302
Typical chest pain115 (38.1)76 (25.2)0.0009
Atypical chest pain43 (14.2)78 (25.8)0.0005
Non-anginal chest pain 63 (20.9)93 (30.8)0.0069
Dyspnoea only81 (26.8)55 (18.2)0.015
CCS
 081 (26.8)55 (18.2)0.015
 156 (18.5)9 (3.0)<0.0001
 270 (23.2)67 (22.2)0.85
 334 (11.3)81 (26.8)<0.0001
 461 (20.2)90 (29.8)0.0084
NYHA
 1129 (42.7)60 (19.9)<0.0001
 2139 (46.0)93 (30.8)0.0002
 328 (9.3)121 (40.1)<0.0001
 46 (2.0)28 (9.3)<0.0001
Delay between symptoms and ICA months8.3±12.719.9±22.0<0.0001
ICA
 Negative (no stenosis)128 (42.4)139 (46.0)0.41
 <50% stenosis14 (4.6)24 (8.0)0.13
 50–70% stenosis36 (11.9)50 (16.6)0.13
 >70% stenosis113 (37.4)79 (26.2)0.0039
 100% stenosis11 (3.6)10 (3.3)1.00
Revascularisation (PCI, CABG)118 (39.1)94 (31.1)0.050
Follow-up months38.4±39.538.4±39.00.94
MACE4 (1.3)18 (6.0)0.004
Cardiovascular death2 (0.7)11 (3.6)0.02
All-cause death6 (2.0)16 (5.3)0.05

Data are presented as n (%) or mean±sd, unless otherwise stated. CCS: Canadian Cardiovascular Society grading scale; NYHA: New York Heart Association grading scale; ICA: invasive coronary angiography; PCI: percutaneous coronary intervention; CABG: coronary artery bypass graft; MACE: major adverse cardiovascular events. Bold text indicates statistical significance.