Skip to main content
. 2023 Oct 28;20(10):728–736. doi: 10.26599/1671-5411.2023.10.003

Table 1. Baseline characteristics.

Variables Unmatched Propensity score matched
Complete group
(n = 445)
Incomplete group
(n = 818)
P-value Complete group
(n = 409)
Incomplete group
(n = 409)
P-value
Data are presented as n (%) or median (interquartile range).
Demographics
 Age, yrs 79.9 (77–83.8) 80 (77.3–83.1) 0.80 79.9 (77–83.7) 80 (77.4–83.6) 0.71
 Female 179 (40.2%) 320 (39.1%) 0.70 162 (39.6%) 152 (37.2%) 0.47
Medical history
 Hypertension 347 (78.0%) 595 (72.7%) 0.04 315 (77.0%) 316 (77.3%) 0.93
 Hyperlipidemia 216 (48.5%) 366 (44.7%) 0.20 195 (47.7%) 182 (44.5%) 0.36
 Diabetes mellitus 140 (31.5%) 274 (33.5%) 0.46 128 (31.3%) 154 (37.7%) 0.06
 Peripheral arterial disease 44 (9.9%) 114 (13.9%) 0.04 42 (10.3%) 43 (10.5%) 0.91
 Prior acute myocardial infarction 70 (15.7%) 162 (19.8%) 0.07 67 (16.4%) 62 (15.2%) 0.63
 Congestive heart failure 20 (4.7%) 35 (5.2%) 0.71 20 (5.1%) 19 (5.2%) 0.94
 Chronic kidney disease 17 (9.7%) 33 (10.9%) 0.67 17 (9.7%) 22 (11.5%) 0.58
 Peptic ulcer 6 (3.3%) 16 (5.3%) 0.30 6 (3.3%) 12 (6.3%) 0.19
 Prior percutaneous coronary intervention 85 (19.1%) 105 (12.8%) < 0.01 68 (16.6%) 67 (16.4%) 0.92
 Prior coronary artery bypass grafting 35 (7.9%) 60 (7.3%) 0.73 27 (6.6%) 29 (7.1%) 0.78
 Prior bleeding 22 (4.9%) 65 (8.0%) 0.04 20 (4.9%) 29 (7.1%) 0.16
 Malignancy 47 (10.6%) 81 (9.9%) 0.71 45 (11.0%) 34 (8.3%) 0.19
Clinical status
 Type of acute coronary syndrome
  ST-segment elevation myocardial infarction 167 (37.5%) 468 (57.2%) < 0.01 159 (38.9%) 163 (39.9%) 0.77
  Non-ST-segment elevation acute coronary syndrome 278 (62.5%) 350 (42.8%) 250 (61.1%) 246 (60.2%)
  Killip classification ≥ 2 120 (27.9%) 171 (21.8%) 0.02 105 (25.7%) 104 (25.4%) 0.94
  Hemoglobin, g/dL 13.3 (12–14.4) 13.1 (11.8–14.3) 0.21 13.3 (12–14.5) 13.06 (11.9–14.3) 0.21
  Creatinine, mg/dL 1.0 (0.8–1.2) 1.0 (0.8–1.2) 0.53 1.0 (0.8–1.2) 1.0 (0.8–1.2) 0.99
  Left ventricular ejection fraction, % 55 (40–60) 53 (40–60) 0.54 55 (40–60) 55.5 (45–60) 0.27
 Procedures
  Percutaneous transluminal coronary angioplasty 8 (1.8%) 56 (6.9%) < 0.01 8 (2.0%) 7 (1.7%) 0.79
  Drug-eluting stent 174 (39.1%) 264 (32.3%) 0.01 155 (37.9%) 140 (34.2%) 0.27
  Thrombolysis 4 (0.9%) 8 (1.0%) 0.89 4 (1.0%) 4 (1.0%) 1.00
 Medications at discharge
  Aspirin 439 (98.7%) 798 (97.6%) 0.19 404 (98.8%) 401 (98.0%) 0.40
  Clopidogrel 404 (90.8%) 751 (91.8%) 0.53 377 (92.2%) 385 (94.1%) 0.27
  Ticagrelor 23 (5.2%) 29 (3.6%) 0.17 16 (3.9%) 10 (2.4%) 0.23
  Prasugrel 5 (1.1%) 7 (0.9%) 0.64 5 (1.2%) 3 (0.7%) 0.48
  Oral anticoagulation 43 (9.7%) 66 (8.1%) 0.34 35 (8.6%) 26 (6.4%) 0.23
  Angiotensin-converting enzyme inhibitor/Angiotensin
  II receptor blocker
347 (78.0%) 565 (69.1%) < 0.01 313 (76.5%) 311 (76.1%) 0.87
  Beta-blocker 339 (76.2%) 644 (78.7%) 0.30 309 (75.6%) 320 (78.2%) 0.36
  Statins 394 (88.5%) 729 (89.1%) 0.75 365 (89.2%) 365 (89.2%) 1.00