Table 2

P wave parameter and morphology data

P wave duration
 X max position
 X max amplitude
 Y max position
 Y max amplitude
All
 123 ± 12
 65 ± 10
 51 ± 15
 60 ± 10
 80 ± 30
Men
 127 ± 11
 67 ± 10
 51 ± 10
 60 ± 8
 74 ± 21
Women
 121 ± 12
 64 ± 10
 52 ± 18
 59 ± 10
 87 ± 35
P-value
 0,004
 0,19
 0,85
 0,57
 0,05
20–29 yrs
 117 ± 12
 63 ± 10
 40 ± 9
 53 ± 8
 59 ± 27
30–39 yrs
 117 ± 11
 63 ± 10
 50 ± 12
 57 ± 11
 85 ± 29
40–49 yrs
 121 ± 13
 64 ± 9
 52 ± 12
 61 ± 8
 95 ± 26
50–59 yrs
 120 ± 13
 69 ± 7
 68 ± 22
 66 ± 9
 114 ± 50
60–69 yrs
 123 ± 15
 62 ± 16
 51 ± 23
 59 ± 12
 92 ± 29
70 < yrs
125 ± 9
 64 ± 6
 53 ± 15
 59 ± 11
 77 ± 18
P-value
 0,02
 0,57
 0,07
 0,21
 0,37

Z min position
 Z min amplitude
 Z zero position
 Z max position
 Z max amplitude
 P wave morphology
All
 41 ± 7
 -30 ± 10
 65 ± 13
 86 ± 15
 20 ± 10
 45/73/2
Men
 43 ± 7
 -32 ± 11
 65 ± 12
 89 ± 15
 25 ± 10
 18/42/0
Women
 39 ± 6
 -29 ± 9
 64 ± 13
 85 ± 15
 19 ± 11
 27/31/2
P-value
 0,004
 0,09
 0,26
 0,10
 0,003
 0,001
20–29 yrs
 42 ± 5
 -26 ± 7
 72 ± 11
 87 ± 17
 9 ± 5
 12/8/0
30–39 yrs
 40 ± 4
 -31 ± 10
 64 ± 10
 85 ± 16
 16 ± 11
 10/10/0
40–49 yrs
 38 ± 8
 -27 ± 10
 67 ± 22
 82 ± 22
 18 ± 11
 12/8/0
50–59 yrs
 38 ± 6
 -29 ± 11
 57 ± 8
 79 ± 6
 22 ± 10
 1/18/1
60–69 yrs
 36 ± 5
 -29 ± 6
 60 ± 9
 92 ± 15
 21 ± 9
 5/14/1
70 < yrs
 41 ± 6
 -33 ± 9
 63 ± 13
 84 ± 6
 26 ± 12
 2/18/0
P-value
 0,18
 0,59
 0,02
 0,35
 < 0,001
 < 0,001

P wave parameter data is provided above. All positions and P wave duration (PWD) are expressed as [ms] and all amplitudes as [μV]. In the column "P wave morphology", the distribution of different P wave morphology types is provided (Type 1/Type 2/Atypical).

Havmoller et al. BMC Cardiovascular Disorders 2007 7:22   doi:10.1186/1471-2261-7-22