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Table 1 Values of the squared microvolt differences between ensemble averaged T waves meaned over time, in each patients X, Y and Z leads and values of each patients ATA. Patient numbers 1 to 7 represent Group 1 and patient numbers 8 to 16 represent Group 2. Values < 0.015 rounded to 0.

From: T Wave Alternans in high arrhythmic risk patients: Analysis in time and frequency domains: A pilot study

 

X

Y

Z

ATA

1

304.85

0

72.76

19.43

2

0

0

0

0

3

144.96

0

94.67

15.48

4

24.6

0

0

4.96

5

38.8

55.65

0

9.72

6

4.6

44.62

7.07

7.5

7

192.93

32.26

91.58

17.8

8

143

278.9

0

20.05

9

2.16

2.16

17.5

4.67

10

40.57

0

6.66

6.87

11

186.6

0

0

13.66

12

57.5

31.92

33.9

11.1

13

0

0

0

0

14

0

17.3

0

4.16

15

225.6

291.7

9.36

22.9

16

19.45

320.41

133.9

21.8