Table 1 Comparison of characteristacs, medications between after hospital discharge the event and non-the event

Gender,n(%)

 Male

60(82.19)

191(76.10)

1.204

0.273

 Female

13(17.81)

60(23.90)

Age (years)

64(21)

66(18)

−0.917

0.359

 Chest pain period(h)

4(5.00)

5(4.00)

−1.603

0.109

 Pain-to-balloon time(h)

5(4.76)

5.5(4.71)

−1.083

0.279

 Door-to-balloon time(h)

1(0.41)

1(0.57)

−1.768

0.077

 hospitalization day(d)

6(3)

6(2)

−0.355

0.722

History

Hypertension,n(%)

31(42.47)

104(41.43)

0.025

0.875

Diabetes mellitus,n(%)

11(15.07)

54(21.51)

1.465

0.226

Stroke or TIA,n(%)

7(9.59)

27(10.76)

0.082

0.774

Previous MI/PCI/CABG,n(%)

7(9.59)

12(4.78)

1.577

0.209

Heart Failure,n(%)

4(5.48)

6(2.39)

0.919

0.338

Coronary heart disease,n(%)

11(15.07)

24(9.56)

1.780

0.182

Current smoking status,n(%)

24(32.88)

87(34.66)

0.080

0.777

Current drinking status,n(%)

13(17.81)

47(18.73)

0.032

0.859

Admission medication

 Aspirin,n(%)

73(100.00)

251(100.00)

–

–

 Clopidogrel or Tigrigrel,n(%)

73(100.00)

251(100.00)

–

–

 ACEIs or ARBs,n(%)

41(56.16)

142(56.57)

0.004

0.950

CCB,n(%)

38(52.05)

113(45.02)

1.125

0.289

 Β-blocker,n(%)

69(94.52)

219(87.25)

3.026

0.082

 Statin,n(%)

73(100.00)

251(100.00)

–

–

 Diuretics,n(%)

31(42.47)

82(32.67)

2.390

0.122

 SBP (mmHg)

121(26)

123(29)

−0.385

0.700

 DBP (mmHg)

77(15)

77(18)

−0.249

0.804

 Heart-rate (beats-per-minute)

82.40 ± 13.34

80.61 ± 14.43

0.003

0.343

Killip class,n(%)

 1–2

65(89.04)

228(90.84)

0.211

0.646

 3–4

8(10.96)

23(9.16)

Target Vessel,n(%)

LM

4(5.48)

5(1.99)

1.419

0.234

 LAD

47(64.38)

144(57.37)

1.149

0.284

 LCX

7(9.59)

30(11.95)

0.312

0.576

 RCA

18(24.66)

77(30.68)

0.989

0.320

Simultaneous treatment of vascular situations,n(%)

 1

70(95.89)

246(98.01)

  > 1

3(4.11)

5(1.99)

0.357

0.550

Vessel-disease (stenosis > 50%)

 1 vessel,n(%)

21(28.77)

69(27.49)

0.046

0.830

 2 vessels,n(%)

25(34.25)

56(22.31)

4.297

0.038^a

 3 vessels,n(%)

27(36.99)

126(50.20)

3.961

0.047^a

PCI type,n(%)

Only PTCA

8(10.96)

27(10.76)

0.002

0.961

PTCA and Stent

65(89.04)

224(89.24)

Stent type,n(%)

 Drug eluting stent

24(32.88)

105(41.83)

1.893

0.169

 Bare metal stent

49(67.12)

146(58.17)

Number of stents inserted,n(%)

 1 piece

61(83.56)

230(91.63)

4.028

0.045^a

 ≥2 piece

12(16.44)

21(8.37)

Stent length (mm)

24(9)

24(10)

−0.209

0.834

Stent Diameter (mm)

3(0.5)

3(0.5)

−0.156

0.876

IVUS Assist,n(%)

 Yes

7(9.59)

6(2.39)

5.855

0.016^a

 No

66(90.41)

245(97.61)

TIMI after PPCI n(%)

 3

72(98.63)

244(97.21)

0.067

0.795

 <3

1(1.37)

7(2.79)

Site of AMI n(%)

 anterior

42(57.53)

128(51.00)

1.759

0.799

 antero-septal

2(2.74)

8(3.19)

 high side wall

1(1.37)

4(1.59)

 Inferior wall

27(36.99)

109(43.43)

 anterolateral

1(1.37)

2(0.80)

Out-hospital medication,n(%)

 Aspirin

69(94.52)

248(98.80)

3.093

0.079

 PY212 receptor inhibitors

68(93.15)

249(99.20)

7.146

0.008^a

 Β-blocker

62(84.93)

219(87.25)

0.264

0.607

 ACEIs or ARBs

24(32.88)

106(42.23)

2.060

0.151

 Statin

69(94.52)

243(96.81)

0.314

0.575

 Diuretics

27(36.99)

71(28.29)

2.029

0.154

 Insulin treatment

4(5.48)

9(3.59)

0.150

0.699