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Table 3 Trends of hospitalization for atrial fibrillation admitted over the weekend 2005–2014

From: Temporal trends and factors associated with increased mortality among atrial fibrillation weekend hospitalizations: an insight from National Inpatient Sample 2005–2014

Years

2005

2006

2007

2008

2009

 

Total number of hospitalization (weighted)

72,216

75,822

77,539

88,127

90,013

 

Age in years

 

 18 to 34

2.33%

2.54%

2.36%

2.03%

2.21%

 

 35 to 49

8.16%

8.55%

8.44%

7.72%

7.78%

 

 50 to 64

22.09%

22.36%

21.89%

21.75%

22.29%

 

 65 to 79

37.35%

36.99%

37.27%

37.26%

37%

 

 Greater than 80

29.89%

29.4%

29.92%

31.06%

30.62%

 

Indicator of sex

 

 Male

47.68%

47.99%

47.16%

47.22%

47.75%

 

 Female

52.32%

52.01%

52.84%

52.78%

52.25%

 

Died during hospitalization

 

 Did not die

98.68%

98.87%

98.85%

98.88%

98.92%

 

 Died

1.32%

1.13%

1.15%

1.12%

1.08%

 

Race

 

 White

85.34%

82.48%

81.55%

82.28%

82.23%

 

 Black

6.27%

7.71%

8.54%

7.6%

7.43%

 

 Hispanic

5.06%

6.25%

5.81%

5.39%

5.5%

 

 Asian or Pacific Islander

1.31%

1.31%

1.66%

1.55%

1.45%

 

 Native American

0.17%

0.46%

0.47%

0.58%

0.56%

 

 Other

1.85%

1.78%

1.96%

2.61%

2.83%

 

Length of stay (LOS)

 

 0 to 3

62.84%

63.52%

63.99%

64.09%

63.81%

 

 4 to 6

26.36%

25.36%

25.32%

25.52%

25.81%

 

 7 to 9

5.59%

5.53%

5.79%

5.47%

5.54%

 

 10 to 12

2.91%

3.09%

2.98%

3.03%

2.95%

 

 Greater than 12

2.31%

2.49%

1.91%

1.9%

1.9%

 

 Mean LOS (days)

3.66

3.65

3.55

3.56

3.53

 

Hospital location and teaching status

 

 Rural

16.83%

15.84%

16.66%

15.74%

14.83%

 

 Urban non teaching

49.85%

43.73%

45.48%

46.67%

47.46%

 

 Urban teaching

33.32%

40.43%

37.86%

37.59%

37.71%

 

Comorbidities

 

 Alcohol abuse

4.05%

4.56%

4.42%

4.07%

4.48%

 

 Congestive heart failure

0.39%

0.36%

0.26%

0.31%

0.5%

 

 Depression

5.47%

6.18%

6.59%

7.57%

7.28%

 

 Diabetes with chronic complications

2.39%

2.24%

2.61%

2.71%

2.96%

 

 Hypertension (combine uncomplicated and complicated)

56.07%

59.4%

61.12%

63.5%

65.14%

 

 Liver disease

0.97%

0.97%

1%

1.38%

1.49%

 

 Obesity

7.03%

7.77%

9.53%

10.41%

11.93%

 

 Peripheral vascular disorder

4.66%

5.31%

5.59%

6.04%

6.01%

 

 Psychoses

1.58%

1.93%

1.74%

2.38%

2.13%

 

 Renal failure

5.02%

8.19%

9.51%

9.74%

11.33%

 

 Uncomplicated diabetes

17.43%

18.7%

19.37%

20.11%

21.02%

 

 Cardioversion rates

11.49%

12.21%

12.02%

12.55%

13.63%

 

 Anticoagulation

9.52%

10.55%

12.07%

12.13%

14.37%

 

 Cost of hospitalization (in US dollars)

6260.13

6807.54

7060.35

7287.86

7332.45

 

Years

2010

2011

2012

2013

2014

P value (trend)

Total number of hospitalization (weighted)

89,600

97,140

97,174

95,089

92,220

 

Age in years

 18 to 34

1.92%

1.99%

2.07%

1.71%

1.82%

< 0.0001

 35 to 49

7.32%

6.76%

6.7%

6.69%

6.19%

< 0.0001

 50 to 64

23.74%

23.03%

23.37%

22.9%

23.45%

< 0.0001

 65 to 79

36.04%

37%

36.89%

37.91%

38.53%

0.0449

 Greater than 80

30.88%

31.15%

30.89%

30.69%

29.93%

0.0177

Indicator of sex

0.0082

 Male

48.36%

47.21%

47.93%

47.89%

48.13%

 

 Female

51.64%

52.79%

52.07%

52.11%

51.87%

 

Died during hospitalization

< 0.0001

 Did not die

99.01%

98.93%

99.04%

98.86%

99.06%

 

 Died

0.99%

1.07%

0.96%

1.14%

0.94%

 

Race

 White

81.42%

82.03%

81.54%

81.62%

80.32%

< 0.0001

 Black

8.81%

8.32%

8.72%

8.97%

9.03%

< 0.0001

 Hispanic

5.77%

6.05%

5.64%

5.71%

6.25%

< 0.0001

 Asian or Pacific Islander

1.44%

1.29%

1.42%

1.54%

1.66%

< 0.0001

 Native American

0.71%

0.34%

0.44%

0.4%

0.43%

0.0102

 Other

1.85%

1.96%

2.23%

1.76%

2.3%

< 0.0001

Length of stay (LOS)

 0 to 3

63.83%

65.81%

66.2%

66.11%

65.52%

< 0.0001

 4 to 6

25.62%

24.62%

24.32%

24.16%

24.75%

< 0.0001

 7 to 9

5.58%

5.02%

5.19%

5.1%

5.18%

< 0.0001

 10 to 12

2.93%

2.78%

2.66%

2.62%

2.57%

< 0.0001

 Greater than 12

2.04%

1.78%

1.64%

2.01%

1.98%

< 0.0001

 Mean LOS (days)

3.58

3.41

3.4

3.44%

3.49

< 0.0001

Hospital location and teaching status

 Rural

14.83%

14.64%

13.92%

14.08%

11.73%

< 0.0001

 Urban non teaching

46.38%

45.72%

42.51%

42.1%

30.63%

< 0.0001

 Urban teaching

38.79%

39.63%

43.57%

43.82%

57.64%

< 0.0001

Comorbidities

 Alcohol abuse

4.74%

5.08%

5.35%

5.55%

5.83%

< 0.0001

 Congestive heart failure

0.35%

0.4%

0.3%

0.36%

0.33%

0.4994

 Depression

7.95%

8.84%

9.08%

9.2%

9.72%

< 0.0001

 Diabetes with chronic complications

2.81%

3.5%

3.21%

3.48%

3.61%

< 0.0001

 Hypertension (combine uncomplicated and complicated)

66.63%

68.5%

69.08%

69.91%

71.55%

< 0.0001

 Liver disease

1.7%

1.76%

1.86%

1.79%

2.15%

< 0.0001

 Obesity

12.08%

13.01%

15.2%

16.23%

17.62%

< 0.0001

 Peripheral vascular disorder

6.46%

6.94%

7.11%

6.96%

7.55%

< 0.0001

 Psychoses

2.41%

2.69%

2.68%

2.6%

2.94%

< 0.0001

 Renal failure

12.71%

13.5%

14.28%

15.24%

16.15%

< 0.0001

 Uncomplicated diabetes

22.1%

21.65%

22.97%

23.3%

23.95%

< 0.0001

 Cardioversion rates

14.74%

14.55%

15. 7%

15.95%

17.34%

< 0.0001

 Anticoagulation

15.18%

15%

15.48%

15.67%

17.09%

< 0.0001

 Cost of hospitalization (in US dollars)

7568.3

7656.57

7719.1

8143.44

8265.78

< 0.0001