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Table 1 Baseline characteristics before and after propensity score matching

From: Association between alcohol consumption and subclinical atrial fibrillation

 

Pre-propensity score matching

Post-propensity score matching

 

Non-alcohols (n = 394)

Alcohols (n = 73)

P

SMD

Non-alcohols (n = 78)

Alcohols (n = 51)

P

SMD

Demographics

        

 Age, years

73.0

(65.0–79.0)

68.0

(61.0–74.0)

 < 0.01

0.46

68.5

(63.0–77.0)

69.0

(62.0–75.5)

0.70

0.08

 Male sex

116 (29.5)

62 (84.9)

 < 0.01

1.35

56 (71.79)

40 (78.43)

0.52

0.15

 Body mass index, kg/m2

23.9

(22.0–25.7)

24.4

(22.5–27.0)

0.09

0.18

24.2

(22.5–25.7)

23.8

(22.1–25.9)

0.82

 < 0.01

Comorbidities

        

 Hypertension

259 (65.7)

51 (69.8)

0.58

0.09

56 (71.7)

33 (64.7)

0.51

0.15

 Diabetes mellitus

112 (28.4)

16 (21.9)

0.32

0.15

21 (26.9)

12 (23.5)

0.82

0.08

 Dyslipidemia

119 (30.3)

18 (24.6)

0.40

0.13

20 (25.6)

13 (25.4)

1.00

 < 0.01

 Previous MI

13 (3.3)

0 (0.0)

0.24

0.26

78 (100.0)

51 (100.0)

NA

 < 0.01

 Congestive heart failure

25 (6.3)

2 (2.7)

0.35

0.17

3 (3.8)

2 (3.9)

1.00

 < 0.01

 Ischemic stroke or TIA

40 (10.1)

4 (5.4)

0.30

0.17

6 (7.6)

3 (5.8)

0.97

0.07

 Vascular disease

6 (1.5)

4 (5.4)

0.09

0.22

1 (1.2)

0 (0.0)

1.00

0.16

 Chronic kidney disease

33 (8.3)

5 (6.8)

0.84

0.06

4 (5.1)

4 (7.8)

0.80

0.11

Echocardiographic parameters

        

 LA AP diameter, mm

40.0

(35.0–45.0)

41.3

(38.0–46.2)

0.07

0.06

41.0

(36.6–45.8)

41.8

(37.3–47.0)

0.53

0.09

 LA volume index, mL/m2

40.1

(31.9–53.3)

38.2

(31.9–48.4)

0.63

0.15

40.3

(33.8–50.6)

38.6

(31.5–51.0)

0.83

0.02

 LVEF, %

66.0

(61.0–71.0)

63.8

(58.7–69.0)

0.11

0.18

66.0

(60.0–69.3)

63.8

(58.1–69.0)

0.44

0.10

 E/E’

11.6

(8.4–15.0)

11.2

(8.9–13.7)

0.56

0.16

11.5

(9.0–14.9)

11.0

(8.3–13.9)

0.40

0.23

  1. Values are reported as interquartile range, number (%) unless otherwise indicated
  2. SMD Standardized mean difference; MI Myocardial infarction; TIA Transient ischemic attack; LA Left atrium; AP Anteroposterior; LVEF Left ventricular ejection fraction