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Table 3 Optical coherence tomography characteristics

From: Relationships of coronary culprit-plaque characteristics with duration of diabetes mellitus in acute myocardial infarction: an intravascular optical coherence tomography study

Variables

Non-DM (n = 184)

Short-DM (n = 64)

Long-DM (n = 31)

P value

P #for overall

PNon-DM vs. DM

PNon-DM vs. Short-DM

PShort-DM vs. Long-DM

PNon-DM vs. Long-DM

Plaque morphology

   

0.017*

0.130

0.885

0.026

0.006*

 Plaque rupture

86 (46.7)

31 (48.4)

23 (74.2)

     

 Intact fibrous cap

98 (53.3)

33 (51.6)

8 (25.8)

     

Plaque type

   

0.007*

0.011*

0.189

0.100

0.003*

 Lipid-rich plaque

96 (52.2)

40 (62.5)

25 (80.6)

     

 Fibrous plaque

88 (47.8)

24 (37.5)

6 (19.4)

     

TCFA

36 (19.6)

20 (31.3)

13 (41.9)

0.012*

0.008*

0.059

0.361

0.010*

Calcification

85 (46.2)

40 (62.5)

19 (61.3)

0.043*

0.016*

0.029

1.000

0.126

Macrophage

95 (51.6)

38 (59.4)

19 (61.3)

0.407

0.206

0.311

1.000

0.338

Microvessels

32 (17.4)

12 (18.8)

5 (16.1)

0.970

1.000

0.850

0.787

1.000

Cholesterol crystal

10 (5.4)

8 (12.5)

4 (12.9)

0.080

0.058

0.089

1.000

0.124

Thrombus

178 (96.7)

63 (98.4)

31 (100)

0.725

0.429

0.681

1.000

0.597

Minimal FCT, μm

123 ± 84

125 ± 97

101 ± 73

0.387

0.065

0.993

0.456

0.416

Stenosis length, mm

18.0 ± 5.8

18.6 ± 7.1

20.9 ± 7.2

0.058

0.092

0.814

0.240

0.059

Maximal lipid arc, °

300 ± 75

301 ± 71

333 ± 47

0.059

0.255

0.999

0.123

0.064

MLA, mm2

1.88 ± 0.75

1.89 ± 0.66

1.90 ± 0.64

0.975

0.830

0.989

0.997

0.981

  1. Continuous data are presented as mean ± standard deviation. Categorical variables are presented as number (%)
  2. DM diabetes mellites, FCT fibrous cap thickness, Long-DM patients with a long duration of diabetes, MLA minimal lumen area, Non-DM patients without diabetes, Short-DM patients with a short duration of diabetes, TCFA thin-cap fibroatheroma
  3. * P < 0.05
  4. #Pfor overall means statistical analysis among three groups