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Table 2 Baseline characteristics of the number of METs

From: Metabolic syndrome and its components are associated with hypoxemia after surgery for acute type A aortic dissection: an observational study

Variables

The number of the presence of METs

0

1

2

3

4

5

p value

p < 0.05

n = 10

n = 136

n = 81

n = 33

n = 10

n = 1

Male, n (%)

8 (80.0)

101 (74.3)

62 (76.5)

21 (63.6)

8 (80.0)

1 (100.0)

0.723

c,e,i,l

Age, years

52.1 ± 3.9

53.1 ± 6.5

53.0 ± 5.6

52.3 ± 7.7

52.9 ± 7.4

65

0.521

e,l

BMI, Kg/m2

24.3 ± 1.7

25.4 ± 2.3

26.9 ± 2.9

27.2 ± 3.4

33.7 ± 5.0

35.0

 < 0.001

b,c,d,e,f,g,h,i,k,l,m,n

HT, n (%)

0 (0)

71 (52.5)

45 (55.6)

23 (69.7)

5 (50.0)

1 (100.0)

0.006

a,b,c,d,e,i,l,n,o

T2DM, n (%)

0 (0)

3 (2.2)

18 (22.2)

18 (54.5)

5 (50.0)

1 (100.0)

 < 0.001

b,c,d,e,g,h,i,l,m,n,o

Hypoxemia, n (%)

0 (0)

5 (3.7)

16 (19.8)

17 (51.5)

9 (90.0)

1 (100.0)

 < 0.001

b,c,d,e,g,h,i,j,k,l,m,n,o

SBP, mmHg

123.8 ± 6.5

144.8 ± 14.8

144.7 ± 11.7

148.9 ± 13.0

149.7 ± 9.4

149

 < 0.001

a,b,c,d,e

DBP, mmHg

72.2 ± 6.7

79.5 ± 6.4

79.3 ± 6.8

80.4 ± 6.5

81.5 ± 6.6

80

0.019

a,b,c,d

HR, bpm

68.8 ± 5.3

73.3 ± 12.9

70.5 ± 9.3

69.0 ± 7.9

65.2 ± 12.9

59

0.063

 

FBG, mmol/L

5.2 ± 0.3

4.9 ± 0.4

5.0 ± 0.5

5.1 ± 0.6

5.1 ± 0.8

6.3

0.002

a,e,f,g,i,l,n

TG, mmol/L

1.2 (0.9, 1.3)

1.2 (1.0, 1.4)

1.3 (1.1, 1.6)

1.5 (1.2, 2.1)

2.7 (2.1, 3.3)

2.4

 < 0.001

c,d,e,f,g,h,i,k,m

Mechanical ventilation time, hour

19.9 ± 7.9

21.6 ± 9.2

25.2 ± 13.4

29.9 ± 12.8

40.1 ± 18.8

36

 < 0.001

d,f,g,h,k

WBC,1012/L

9.6 ± 2.0

10.1 ± 1.4

10.0 ± 1.7

10.6 ± 1.5

11.6 ± 2.2

10.3

0.024

d,h,k

PLT, 109/L

198.5 ± 32.7

217.1 ± 56.0

225.5 ± 63.0

225.0 ± 70.4

215.8 ± 77.2

372

0.118

e,i,l

PaO2/FiO2, mmHg

334.9 ± 12.5

328.2 ± 15.9

321.2 ± 28.2

285.4 ± 43.8

243.8 ± 33.8

224

 < 0.001

d,e,f,g,h,i,j,k,l,m

Length of surgery, min

293.1 ± 30.7

275.1 ± 24.9

279.2 ± 23.5

281.0 ± 22.3

284.8 ± 18.8

298

0.163

a

Cardiopulmonary bypass time, min

164.4 ± 16.7

167.5 ± 21.9

172.8 ± 24.3

167.4 ± 24.1

183.2 ± 23.6

163.0

0.212

h

Cross-clamp time, min

87.9 ± 10.7

88.8 ± 13.3

89.4 ± 12.6

82.8 ± 11.6

95.9 ± 17.0

103

0.049

g,j,m

Circulatory arrest, min

45.6 ± 5.8

42.2 ± 6.9

42.2 ± 8.3

41.3 ± 6.2

46.5 ± 12.1

40.6

0.333

 

Minimum temperature

25.9 ± 0.5

26.1 ± 0.5

26.0 ± 0.5

26.0 ± 0.5

26.2 ± 0.5

25.2

0.312

 

HDL-C, mmol/L

1.5 (1.2, 2.2)

1.8 (1.3, 2.3)

1.3 (0.9, 1.8)

1.0 (0.9, 1.5)

0.9 (0.8, 1.5)

0.8

 < 0.001

c,f,g,h,j

LVEF, %

60.5 ± 7.6

57.3 ± 6.2

58.0 ± 6.3

54.7 ± 6.2

57.7 ± 7.6

58

0.100

c,g,j

  1. a, 0vs1; b, 0vs2; c, 0vs3; d, 0vs4; e, 0vs5; f, 1vs2; g, 1vs3; h, 1vs4; i, 1vs5; g, 2vs3; k, 2vs4; l, 2vs5; m, 3vs4; n, 3vs5; o, 4vs5
  2. METs, Metabolic Syndrome; BMI, body mass index; HT, Hypertension; T2DM, type 2 diabetes mellitus; SBP, systolic blood pressure; DBP, diastolic blood pressure; HR, heart rate; FBG, Fasting blood glucose; TG, Triglycerides; HDL-C, high-density lipoprotein cholesterol; LVEF, ventricular ejection fraction