Table 3 Results of the X-11 analysis testing the seasonality of atrial fibrillation hospitalizations by age and gender between the years 1988 and 2001

Age group

Stable^†

Moving^‡

Combined^§

Stable

Moving

Combined

Stable

Moving

Combined

40–49

2.61**

1.52

not present

1.15

1.42

not present

3.20

1.12

not present

50–59

3.16***

0.87

not present

2.02*

1.28

not present

4.10***

1.79

present

60–69

1.61

0.92

not present

0.78

0.44

not present

2.31*

0.63

not present

70–79

1.48

0.78

not present

4.08***

1.88*

present

3.95***

1.13

present

80+

1.25

1.07

not present

2.02*

3.05**

not present

2.17*

2.33*

not present

All ages

4.56***

1.43

present

4.37***

2.02*

present

7.16***

1.35

present