Skip to main content

Table 1 Characteristics of the study sample

From: Prevalence of first-degree atrioventricular block and the associated risk factors: a cross-sectional study in rural Northeast China

Variable

Without first-degree AVB (N = 9883)

With first-degree AVB (N = 348)

P value

Age, years

59.68 ± 9.98

62.76 ± 10.55

< 0.001

Male

3841 (38.9)

209 (60.1)

< 0.001

Smoking status

 Current smoker

2525 (25.5)

121 (34.8)

< 0.001

 Former smoker

848 (8.6)

43 (12.4)

 

 Never smoked

6510 (65.9)

184 (52.9)

 

Drinking status

 Never drank

6949 (70.3)

212 (60.9)

< 0.001

 Moderate drinker

1777 (18.0)

94 (27.0)

 

 Heavy drinker

933 (9.4)

39 (11.2)

 

 Former drinker

224 (2.3)

3 (0.9)

 

Exercise regularly

8310 (84.1)

277 (79.6)

0.025

Height, cm

159.22 ± 7.97

162.08 ± 8.28

< 0.001

Weight, kg

63.07 ± 11.26

65.94 ± 12.17

< 0.001

BMI, kg/m2

24.83 ± 3.77

25.01 ± 3.70

0.376

WC, cm

83.37 ± 10.15

84.45 ± 10.61

0.052

SBP, mmHg

142.00 [128.33,160.33]

148.50 [134.42,167.00]

< 0.001

DBP, mmHg

86.54 ± 11.86

88.18 ± 11.39

0.011

FBG, mmol/L

6.14 ± 1.86

6.07 ± 1.36

0.341

HbA1c

5.64 ± 1.09

5.56 ± 0.89

0.150

TC, mmol/L

5.01 [4.37,5.74]

4.97 [4.39,5.66]

0.690

TG, mmol/L

1.28 [0.90,1.87]

1.42 [0.94,2.09]

0.010

LDL-C, mmol/L

2.14 [1.49,2.98]

2.41 [1.67,3.04]

0.011

HDL-C, mmol/L

1.83 [1.41,2.47]

1.55 [1.21,2.13]

< 0.001

Hypertension

5928 (60.0)

238 (68.4)

0.002

Diabetes

1582 (16.0)

51 (14.7)

0.498

Dyslipidemia

2994 (29.3)

127 (36.5)

0.014

Coronary artery disease

377 (3.8)

15 (4.3)

0.636

Cerebrovascular disease

653 (6.6)

30 (8.6)

0.139

Heart rate, bpm

70 [64,78]

67 [60,74]

< 0.001

PR interval, ms

152.30 ± 20.79

222.16 ± 28.88

< 0.001

QRS interval, ms

86 [78,94]

89 [81,98]

< 0.001

QTc interval, ms

424.0 [407.0,443.0]

422.0 [401.0,444.3]

0.075

ECG-LVH

563 (5.7)

26 (7.5)

0.162

  1. Abbreviations: BMI body mass index, DBP diastolic blood pressure, FBG fasting blood glucose, HDL-C high-density lipoprotein cholesterol, LDL-C low-density lipoprotein cholesterol, LVH left ventricular hypertrophy, SBP systolic blood pressure, TC total cholesterol, TG triglycerides, WC waist circumference
  2. Note: Date are presented as mean ± standard deviation, median [upper quartile, lower quartile], or n (%), as appropriate