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Table 1 Characteristics of the included participants at baseline

From: Red cell distribution width to albumin ratio is a risk factor for atrial fibrillation in subjects hospitalized with coronary angiography

Variables

AF (n = 227)

Non-AF (n = 2209)

P value

Age (y)

70(63,76)

65(56,71)

 < 0.001

Male (n, %)

130(57.3)

1420(64.3)

0.036

Hypertension (n, %)

160(70.5)

1464(66.3)

0.200

DM (n, %)

45(19.8)

518(23.4)

0.217

CHD (n, %)

107(47.6)

1623(73.5)

 < 0.001

Smoking (n, %)

66(29.1)

850(38.5)

0.005

Drinking (n, %)

36(15.2)

317(14.4)

0.539

BMI (kg/m2)

24.77(22.49,27.22)

24.53(22.43,26.75)

0.111

Beta-blockers (n, %)

31(13.7)

249(11.3)

0.337

WBC (×109/L)

6.25(5.38,8.06)

6.75(5.44,8.37)

0.025

Neutrophil (×109/L)

4.07(3.12,5.42)

4.23(3.25,5.77)

0.076

TC (mmol/L)

4.15(3.41,4.75)

4.43(3.74,5.13)

 < 0.001

TG (mmol/L)

1.37(0.95,1.93)

1.55(1.10,2.26)

 < 0.001

HDL-C (mmol/L)

1.07(0.92,1.24)

1.07(0.93,1.26)

0.688

LDL-C (mmol/L)

2.57(2.07,3.17)

2.85(2.28,3.43)

 < 0.001

RDW (%)

12.70(12.20,13.20)

12.50(12.20,13.30)

 < 0.001

Albumin (g/dL)

38.30(35.60,40.70)

39.10(36.90,41.50)

 < 0.001

RAR (%/g/dL)

3.35(3.13,3.63)

3.19(2.98,3.44)

 < 0.001

  1. DM Diabetes mellitus, CHD Coronary heart disease, BMI Body mass index, WBC White blood cell, TC Total cholesterol, TG Triglyceride, LDL-C Low-density lipoprotein cholesterol, HDL-C High-density lipoprotein cholesterol, RDW Red cell distribution width, RAR Red cell distribution width/albumin ratio