Table 5.
Distribution of mean of electrocardiographic values studied according to the time of illness evolution.
|
Dispersion and maximum duration |
Time of illness evolution |
t |
p |
|||
|
<5 years |
5 and more years |
|||||
|
Mean |
SD |
Mean |
SD |
|||
|
maximum QRS duration |
124,11 |
15,55 |
137,28 |
18,87 |
-2,939 |
0,005 |
|
QRS Dispersion |
41,19 |
11,75 |
45,52 |
17,87 |
-1,121 |
0,267 |
|
maximum QT duration |
447,36 |
31,47 |
441,03 |
41,17 |
0,670 |
0,505 |
|
QT dispersion |
51,85 |
20,62 |
64,39 |
25,47 |
-2,090 |
0,041 |
|
QTc dispersion |
61,81 |
23,51 |
78,79 |
32,06 |
-2,347 |
0,022 |
SD: standard deviation