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Table 4 Association of rSS with MACE in enrolled patients according to subgroup of characteristics by OCT

From: Prognostic value of characteristics of plaque combined with residual syntax score among patients with STEMI undergoing primary PCI: an intravascular optical coherence tomography study

Variables

MACE /Total

Crude model

Adjusted model I

Adjust model II

Adjust model III

crude HR(95%CI)

crude P value

Adj I. HR(95%CI)

Adj. P value

adj. HR(95%CI)

Adj. P value

adj. HR(95%CI)

Adj. P value

TCFA = 0

 rSSlow

7 (12.10)

1(reference)

1(reference)

1(reference)

1(reference)

1(reference)

1(reference)

1(reference)

1(reference)

 rSSmid

13 (13.10)

1.03 (0.41,2.59)

0.944

0.98 (0.39,2.46)

0.963

1.04 (0.38,2.86)

0.942

1.32 (0.45,3.88)

0.613

 rSShigh

11 (22.90)

1.99 (0.77,5.15)

0.153

1.96 (0.76,5.07)

0.164

2.86 (0.99,8.27)

0.053

5.85 (1.78,19.28)

0.004*

 Trend test

31 (15.1)

1.46 (0.88,2.42)

0.139

1.46 (0.88,2.43)

0.145

1.79 (1,3.21)

0.049

2.52 (1.32,4.81)

0.005*

TCFA = 1

 rSSlow

1 (7.10)

1(reference)

1(reference)

1(reference)

1(reference)

1(reference)

1(reference)

1(reference)

1(reference)

 rSSmid

9 (25.70)

4.28 (0.54,33.82)

0.168

4.20 (0.53,33.58)

0.176

6.97 (0.78,62.52)

0.083

11.14 (0.44,279.13)

0.142

 rSShigh

7 (35.00)

5.51 (0.68,44.83)

0.110

5.94 (0.72,48.76)

0.097

3.94 (0.45,34.81)

0.217

2.3 (0.13,40.85)

0.570

 Trend test

17 (24.6)

1.81 (0.89,3.68)

0.100

1.96 (0.93,4.14)

0.078

1.41 (0.68,2.9)

0.356

1.04 (0.34,3.18)

0.947

Plaque erosion

 rSSlow

5 (12.50)

1(reference)

1(reference)

1(reference)

1(reference)

1(reference)

1(reference)

1(reference)

1(reference)

 rSSmid

6 (10.90)

0.83 (0.25,2.71)

0.752

0.71 (0.21,2.43)

0.591

0.95 (0.25,3.69)

0.945

1.86 (0.29,11.92)

0.512

 rSShigh

4 (16.70)

1.4 (0.38,5.22)

0.615

1.16 (0.3,4.51)

0.834

2.92 (0.6,14.18)

0.184

14.57 (1.22,173.3)

0.034*

 Trend test

15 (12.60)

1.16 (0.57,2.36)

0.681

1.06 (0.51,2.22)

0.879

1.7 (0.71,4.05)

0.234

3.63 (1.03,12.86)

0.045*

Plaque rupture

 rSSlow

3 (9.40)

1(reference)

1(reference)

1(reference)

1(reference)

1(reference)

1(reference)

1(reference)

1(reference)

 rSSmid

16 (20.30)

2.26 (0.66,7.77)

0.194

2.15 (0.63,7.41)

0.223

1.69 (0.47,6.07)

0.421

1.36 (0.34,5.44)

0.663

 rSShigh

14 (31.80)

3.8 (1.09,13.23)

0.036*

3.81 (1.09,13.38)

0.037*

3.06 (0.82,11.34)

0.095

2.65 (0.62,11.22)

0.186

 Trend test

33 (21.30)

1.84 (1.10,3.10)

0.021*

1.88 (1.11,3.20)

0.020*

1.77 (0.98,3.2)

0.059

1.73 (0.88,3.4)

0.111

Without Macrophage

 rSSlow

5 (14.7)

1(reference)

1(reference)

1(reference)

1(reference)

1(reference)

1(reference)

1(reference)

1(reference)

 rSSmid

10 (15.4)

0.98 (0.33,2.87)

0.971

0.94 (0.32,2.8)

0.912

0.78 (0.22,2.8)

0.708

0.67 (0.17,2.62)

0.568

 rSShigh

6 (23.1)

1.53 (0.47,5.02)

0.483

1.55 (0.47,5.1)

0.471

1.74 (0.43,7.03)

0.435

1.84 (0.36,9.43)

0.462

 Trend test

21 (16.8)

1.25 (0.67,2.35)

0.485

1.26 (0.67,2.39)

0.470

1.36 (0.62,2.96)

0.443

1.3 (0.52,3.25)

0.577

With Macrophage

 rSSlow

3 (7.9)

1(reference)

1(reference)

1(reference)

1(reference)

1(reference)

1(reference)

1(reference)

1(reference)

 rSSmid

12 (17.4)

2.31 (0.65,8.20)

0.194

2.4 (0.67,8.64)

0.179

3.37 (0.83,13.61)

0.088

4.99 (1.05,23.72)

0.043*

 rSShigh

12 (28.6)

4.12 (1.16,14.62)

0.028*

4.26 (1.2,15.13)

0.025*

4.76 (1.19,18.97)

0.027*

6.6 (1.24,35.02)

0.027*

 Trend test

27 (18.1)

1.95 (1.12,3.38)

0.017*

1.97 (1.13,3.42)

0.016*

1.96 (1.08,3.56)

0.027*

2.39 (1.11,5.13)

0.026*

Without Calcification

 rSSlow

6 (13.6)

1(reference)

1(reference)

1(reference)

1(reference)

1(reference)

1(reference)

1(reference)

1(reference)

 rSSmid

9 (14.1)

0.99 (0.35,2.78)

0.982

0.86 (0.3,2.45)

0.776

0.95 (0.3,2.96)

0.93

1.13 (0.34,3.74)

0.847

 rSShigh

9 (34.6)

2.87 (1.02,8.05)

0.046*

2.77 (0.98,7.81)

0.054

2.72 (0.76,9.8)

0.126

2.41 (0.6,9.67)

0.214

 Trend test

24 (17.9)

1.79 (1,3.18)

0.049*

1.79 (0.99,3.23)

0.055

1.72 (0.84,3.49)

0.135

1.55 (0.75,3.2)

0.235

With Calcification

 rSSlow

2 (7.1)

1(reference)

1(reference)

1(reference)

1(reference)

1(reference)

1(reference)

1(reference)

1(reference)

 rSSmid

13 (18.6)

2.72 (0.61,12.07)

0.189

2.83 (0.63,12.65)

0.172

3.68 (0.75,18.01)

0.107

6.88 (1.02,46.59)

0.048*

 rSShigh

9 (21.4)

3.15 (0.68,14.59)

0.142

3.31 (0.71,15.37)

0.127

5.06 (1,25.61)

0.05

23.25 (2.81,192.71)

0.004*

 Trend test

24 (17.1)

1.53 (0.84,2.76)

0.162

1.55 (0.86,2.81)

0.144

1.92 (1.01,3.67)

0.048

4.18 (1.72,10.16)

0.002*

Without Micro-calcification

 rSSlow

6 (13.6)

1(reference)

1(reference)

1(reference)

1(reference)

1(reference)

1(reference)

1(reference)

1(reference)

 rSSmid

9 (13.4)

0.93 (0.33,2.62)

0.895

0.79 (0.28,2.26)

0.663

0.85 (0.27,2.65)

0.779

0.92 (0.28,3)

0.894

 rSShigh

10 (37)

3.03 (1.1,8.35)

0.032

2.81 (1.01,7.8)

0.047*

2.67 (0.75,9.43)

0.128

2.44 (0.62,9.62)

0.201

 Trend test

25 (18.1)

1.89 (1.06,3.35)

0.03

1.87 (1.03,3.37)

0.038*

1.74 (0.86,3.52)

0.126

1.56 (0.75,3.26)

0.234

With Micro-calcification

 rSSlow

2 (7.1)

1(reference)

1(reference)

1(reference)

1(reference)

1(reference)

1(reference)

1(reference)

1(reference)

 rSSmid

13 (19.4)

2.94 (0.66,13.07)

0.156

3.09 (0.69,13.78)

0.140

3.92 (0.81,19.08)

0.09

6.82 (1.06,44)

0.044

 rSShigh

8 (19.5)

2.93 (0.62,13.8)

0.174

3.14 (0.66,14.86)

0.150

4.39 (0.85,22.76)

0.078

16.84 (2.03,139.54)

0.009*

 Trend test

23 (16.9)

1.44 (0.8,2.6)

0.229

1.48 (0.82,2.68)

0.193

1.76 (0.91,3.37)

0.091

3.46 (1.41,8.48)

0.007*

Without lipid plaque

 rSSlow

5 (11.6)

1(reference)

1(reference)

1(reference)

1(reference)

1(reference)

1(reference)

1(reference)

1(reference)

 rSSmid

10 (16.4)

1.35 (0.46,3.94)

0.586

1.32 (0.45,3.88)

0.613

1.71 (0.51,5.65)

0.383

3.16 (0.71,14.08)

0.132

 rSShigh

6 (20.7)

1.8 (0.55,5.91)

0.331

1.72 (0.52,5.69)

0.373

3.7 (0.97,14.09)

0.055

10.48 (1.68,65.48)

0.012*

 Trend test

21 (15.8)

1.34 (0.74,2.43)

0.330

1.31 (0.72,2.38)

0.372

1.93 (0.98,3.83)

0.059

3.24 (1.29,8.11)

0.012*

With lipid plaque

 rSSlow

3 (10.3)

1(reference)

1(reference)

1(reference)

1(reference)

1(reference)

1(reference)

1(reference)

1(reference)

 rSSmid

12 (16.4)

1.67 (0.47,5.93)

0.426

1.6 (0.45,5.7)

0.465

1.27 (0.33,4.82)

0.728

1.25 (0.29,5.34)

0.767

 rSShigh

12 (30.8)

3.39 (0.96,12.02)

0.059

3.45 (0.97,12.25)

0.056

2.64 (0.69,10.13)

0.158

2.33 (0.48,11.26)

0.291

 Trend test

27 (19.1)

1.9 (1.07,3.4)

0.029*

1.95 (1.08,3.52)

0.026

1.75 (0.91,3.37)

0.094

1.62 (0.75,3.47)

0.216

Without mixed plaque

 rSSlow

4 (8.7)

1(reference)

1(reference)

1(reference)

1(reference)

1(reference)

1(reference)

1(reference)

1(reference)

 rSSmid

18 (17.3)

2.01 (0.68,5.94)

0.207

1.22 (0.5,2.96)

0.667

1.81 (0.6,5.44)

0.294

2.03 (0.64,6.46)

0.232

 rSShigh

13 (28.3)

3.56 (1.16,10.92)

0.026*

2.5 (1.04,6.05)

0.041*

2.46 (0.76,7.96)

0.132

2.91 (0.8,10.65)

0.106

 Trend test

35 (17.9)

1.85 (1.12,3.06)

0.017*

1.67 (1.07,2.62)

0.025*

1.52 (0.89,2.59)

0.126

1.65 (0.9,3.01)

0.105

With mixed plaque

 rSSlow

4 (15.4)

1(reference)

1(reference)

1(reference)

1(reference)

1(reference)

1(reference)

1(reference)

1(reference)

 rSSmid

4 (13.3)

0.81 (0.2,3.26)

0.772

2.94 (0.35,24.81)

0.321

1.07 (0.18,6.23)

0.941

1.24 (0.06,26.5)

0.891

 rSShigh

5 (22.7)

1.48 (0.4,5.52)

0.558

1.12 (0.07,19.32)

0.937

5.05 (0.95,26.95)

0.058

14.66 (0.65,330.23)

0.091

 Trend test

13 (16.7)

1.24 (0.61,2.5)

0.553

1.08 (0.37,3.14)

0.881

2.44 (0.99,6.01)

0.054

4.67 (0.85,25.7)

0.076

  1. Adjust I model adjusts for sex and age; Adjust II model adjusts for adjust I plus ejection fraction, smoke, hypertension, hyperlipidemia, diabetes mellitus and killip classification; Adjust III model adjusts for adjust II + white blood cell, hemoglobin, platelet, creatine kinase, glucose, glycosylated hemoglobin, C-reactive protein, low density lipoprotein
  2. rSSlow represent rSS = 0; rSSmid represent 0 < rSS ≤ 8, rSShigh represent rSS > 8. rSS, residual syntax score
  3. *P < 0.05