Table 1

The clinical characteristics and PCI related data compared between two groups.

All
(n=52)
Preoperative group (n=24)Postoperative group (n=28)P value
Age, y (M±SD)61±1064±1059±90.101
Male, n (%)42 (80.8%)17 (70.8%)25 (89.3%)0.157
Hypertension, n (%)28 (54.8%)11 (45.8%)17 (60.7%)0.283
Diabetes mellitus, n (%)15 (28.8%)8 (33.3%)7 (25%)0.508
Temporary pacemaker,n (%)34 (65.4%)16 (66.7%)18 (64.3%)0.857
Vasopressor use, n (%)15 (28.8%)10 (41.7%)5 (17.9%)0.073
Presenting time from symptom onset, hours36 (24–48)36 (22–48)28 (24–66)0.912
Time to PCI from symptom onset, days6.0 (4.0–8.0)8.0 (6.0–9.0)4.0 (3.0–6.0)0.000
Time of AVB improvement from symptom onset, days5.0 (4.0–7.0)5.0 (4.0–6.0)5.5 (4.0–7.0)0.367
HR, bpm50 (45–60)51 (41–60)52 (45–60)0.741
SBP, mm Hg99.5 (90–110)94(84–110)101(91–112)0.185
DBP, mm Hg64.5 (54.5–71)64(53–71)66 (57–74)0.388
LVEF, %50 (45–60)53 (48–63)49 (44–59)0.181
NT-proBNP, pg/mL1880(1119–3925)2231(1091–4144))1703(1149–3444)0.830
Troponin-T, ng/mL2.68 (2.08–4.96)2.40 (1.91–5.76)2.70 (2.19–4.95)0.682
Glycated hemoglobin, %5.8 (5.6–7.3)5.8 (5.6–6.7)5.9 (5.5–7.6)0.732
LDL-C, mmol/L2.02 (1.67–2.51)1.84 (1.51–2.27)2.32 (1.78–2.91)0.032
Creatinine, umol/L85.0 (67.8–110.3)87.0 (68.3–116.0)85.5 (66.8–108.8)0.662
Alanine transaminase, U/L45 (34–87)56(35–122)40(30–75)0.129
Total occlusion at culprit vessel, n (%)36 (69.2%)14 (58.3%)22 (78.6%)0.115
Number of vessels with >50% stenosis
 Single vessel844
 Two vessels1394
 Three vessels311120
Discharge medications
β blocker use, n (%)21 (40.4%)15 (62.5%)6 (21.4%)0.003
ACEI/ARB use, n (%)35 (67.3%)16 (66.7%)19 (67.9%)0.927
  • ACEI, ACE inhibitor; ARB, angiotensin receptor blocker; AVB, atrioventricular block; bpm, beat per minute; DBP, diastolic blood pressure (on admision); HR, heart rate (on admision); LDL-C, low-density lipoprotein cholesterol; LVEF, left ventricular ejection fraction; NT-proBNP, N-terminal pro brain natriuretic peptide; PCI, percutaneous coronary intervention; SBP, systolic blood pressure (on admision).