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Table 5 Comparison between the two groups before and after 1:1 propensity score matching

From: Predictive value of lipoprotein(a) for left atrial thrombus or spontaneous echo contrast in non-valvular atrial fibrillation patients with low CHA2DS2-VASc scores: a cross-sectional study

 

Before matching

After matching

LAD<36.5mm (n=204)

LAD≥36.5mm (n=277)

P

LAD<36.5mm (n=75)

LAD≥36.5mm (n=75)

P

LAT/SEC, %

31(9.6)

57(36.1)

<0.001*

4(5.3)

13(17.3)

0.020*

CHA2DS2-VASc

  

0.025*

  

0.870

 M0F1

105(51.5)

114(41.2)

 

35(46.7)

34(45.3)

 

 M1F2

99(48.5)

163(58.8)

 

40(53.3)

41(50.6)

 

Paroxysmal AF, %

176(86.3)

146(52.7)

<0.001*

21(28.0)

21(28.0)

1.000

Age, years

54.50±9.95

58.51±7.54

<0.001*

54.50±9.95

58.51±7.54

0.840

BMI, kg/m2

24.66±2.74

25.58±3.17

0.001*

24.89±2.78

25.04±2.56

0.753

DBP, mmHg

79(72-86.75)

80(74-89.50)

0.044*

76(70-86)

79(73-88)

0.249

HR, bpm

73(65-82)

76(67-87)

0.019*

72(65-86)

74(67-84)

0.774

Heart failure, %

1(0.5)

9(3.2)

0.036*

1(1.3)

1(1.3)

1.000

Anticoagulants, %

51(25.0)

102(36.8)

0.006*

28(37.3)

22(29.3)

0.299

PLT, ×109/L

200.20±60.48

189.13±53.38

0.034*

190.56±54.10

194.91±53.04

0.620

ALP, U/L

68(57-82)

72(59.50-87)

0.028*

72(59-88)

68(56-89)

0.665

γ-GT, U/L

19(14-30)

26(17-42)

<0.001*

18(14-31)

22(16-32)

0.116

Scr, umol/L

60.05±17.18

64.03±16.99

0.012*

63.23±17.51

64.56±15.86

0.626

TC, mmol/L

3.78(3.16-4.36)

3.61(3.04-4.13)

0.033*

3.74(3.23-4.15)

3.70(3.28-4.29)

0.703

TG, mmol/L

1.25(0.85-1.75)

1.06(0.82-1.49)

0.016*

1.14(0.86-1.60)

1.16(0.82-1.61)

0.901

LDL-c, mmol/L

2.28(1.73-2.77)

2.05(1.57-2.65)

0.021

2.31(1.81-2.61)

2.18(1.74-2.66)

0.991

PT, s

12.10(11.13-13.38)

13.05(11.60-14.48)

<0.001*

12.60(11.20-13.40)

12.50(11.30-14.00)

0.748

APTT, s

29.65(26.50-35.65)

31.25(27.10-37.10)

0.041*

30.50(26.40-36.40)

31.20(26.90-36.50)

0.913

NT-proBNP, pg/mL

101.45(43.36-247.85)

582.50(347.20-1064.00)

<0.001*

153.60(50.18-508.70)

388.50(180.50-627.80)

0.400

IVSA, mm

8.0(7.0-9.0)

8.0(7.0-9.0)

0.001*

8.0(7.0-9.0)

8.0(7.0-9.0)

0.954

MPAD, mm

21.0(20.0-23.0)

22.0(21.0-24.0)

<0.001*

21.0(20.0-23.0)

22.0(21.0-23.0)

0.271

LEVF, %

68.0(65.0-71.0)

64.0(59.0-69.0)

<0.001*

67.0(63.0-70.0)

66.0(63.0-70.0)

0.829

  1. *P <0.05. AF, atrial fibrillation
  2. ALP Alkaline phosphatase, APTT Activated partial thromboplastin time, BMI Body Mass Index, DBP Diastolic Blood Pressure, HR Heart rate, IVSA Interventricular septal amplitude, LAD Left atrial diameter, LAT/SEC Left atrial thrombosis/left atrial spontaneous echo contrast, LVEF Left ventricular ejection fraction, LDL-C Low-density lipoprotein cholesterol, M0F1 0 point in men or 1 point in women, M1F2 1 point in men or 2 points in women; MPAD Main pulmonary artery, PLT Platelet, PT Prothrombin time, Scr Serum creatinine, TC Total cholesterol, TG Triglyceride, γ-GT γ-glutamyl transferase